3 # FFmpeg configure script
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
10 # Prevent locale nonsense from breaking basic text processing.
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
23 (: ${foo%%bar}) 2> /dev/null
26 (: ${foo?}) 2> /dev/null
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
32 if test "0$FF_CONF_EXEC" -lt 1; then
34 try_exec bash "$0" "$@"
36 if test "0$FF_CONF_EXEC" -lt 2; then
38 try_exec ksh "$0" "$@"
40 if test "0$FF_CONF_EXEC" -lt 3; then
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --fatal-warnings fail if any configure warning is generated
82 --prefix=PREFIX install in PREFIX [$prefix]
83 --bindir=DIR install binaries in DIR [PREFIX/bin]
84 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
85 --docdir=DIR install documentation in DIR [PREFIX/share/doc/ffmpeg]
86 --libdir=DIR install libs in DIR [PREFIX/lib]
87 --shlibdir=DIR install shared libs in DIR [LIBDIR]
88 --incdir=DIR install includes in DIR [PREFIX/include]
89 --mandir=DIR install man page in DIR [PREFIX/share/man]
90 --pkgconfigdir=DIR install pkg-config files in DIR [LIBDIR/pkgconfig]
91 --enable-rpath use rpath to allow installing libraries in paths
92 not part of the dynamic linker search path
93 use rpath when linking programs [USE WITH CARE]
96 --enable-gpl allow use of GPL code, the resulting libs
97 and binaries will be under GPL [no]
98 --enable-version3 upgrade (L)GPL to version 3 [no]
99 --enable-nonfree allow use of nonfree code, the resulting libs
100 and binaries will be unredistributable [no]
102 Configuration options:
103 --disable-static do not build static libraries [no]
104 --enable-shared build shared libraries [no]
105 --enable-small optimize for size instead of speed
106 --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
107 --enable-gray enable full grayscale support (slower color)
108 --disable-swscale-alpha disable alpha channel support in swscale
109 --disable-all disable building components, libraries and programs
110 --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
111 --enable-raise-major increase major version numbers in sonames [no]
114 --disable-programs do not build command line programs
115 --disable-ffmpeg disable ffmpeg build
116 --disable-ffplay disable ffplay build
117 --disable-ffprobe disable ffprobe build
118 --disable-ffserver disable ffserver build
120 Documentation options:
121 --disable-doc do not build documentation
122 --disable-htmlpages do not build HTML documentation pages
123 --disable-manpages do not build man documentation pages
124 --disable-podpages do not build POD documentation pages
125 --disable-txtpages do not build text documentation pages
128 --disable-avdevice disable libavdevice build
129 --disable-avcodec disable libavcodec build
130 --disable-avformat disable libavformat build
131 --disable-swresample disable libswresample build
132 --disable-swscale disable libswscale build
133 --disable-postproc disable libpostproc build
134 --disable-avfilter disable libavfilter build
135 --enable-avresample enable libavresample build [no]
136 --disable-pthreads disable pthreads [autodetect]
137 --disable-w32threads disable Win32 threads [autodetect]
138 --disable-os2threads disable OS/2 threads [autodetect]
139 --disable-network disable network support [no]
140 --disable-dct disable DCT code
141 --disable-dwt disable DWT code
142 --disable-error-resilience disable error resilience code
143 --disable-lsp disable LSP code
144 --disable-lzo disable LZO decoder code
145 --disable-mdct disable MDCT code
146 --disable-rdft disable RDFT code
147 --disable-fft disable FFT code
148 --disable-faan disable floating point AAN (I)DCT code
149 --disable-pixelutils disable pixel utils in libavutil
151 Hardware accelerators:
152 --disable-d3d11va disable D3D11VA code [autodetect]
153 --disable-dxva2 disable DXVA2 code [autodetect]
154 --disable-vaapi disable VAAPI code [autodetect]
155 --disable-vda disable VDA code [autodetect]
156 --disable-vdpau disable VDPAU code [autodetect]
157 --enable-videotoolbox enable VideoToolbox code [autodetect]
159 Individual component options:
160 --disable-everything disable all components listed below
161 --disable-encoder=NAME disable encoder NAME
162 --enable-encoder=NAME enable encoder NAME
163 --disable-encoders disable all encoders
164 --disable-decoder=NAME disable decoder NAME
165 --enable-decoder=NAME enable decoder NAME
166 --disable-decoders disable all decoders
167 --disable-hwaccel=NAME disable hwaccel NAME
168 --enable-hwaccel=NAME enable hwaccel NAME
169 --disable-hwaccels disable all hwaccels
170 --disable-muxer=NAME disable muxer NAME
171 --enable-muxer=NAME enable muxer NAME
172 --disable-muxers disable all muxers
173 --disable-demuxer=NAME disable demuxer NAME
174 --enable-demuxer=NAME enable demuxer NAME
175 --disable-demuxers disable all demuxers
176 --enable-parser=NAME enable parser NAME
177 --disable-parser=NAME disable parser NAME
178 --disable-parsers disable all parsers
179 --enable-bsf=NAME enable bitstream filter NAME
180 --disable-bsf=NAME disable bitstream filter NAME
181 --disable-bsfs disable all bitstream filters
182 --enable-protocol=NAME enable protocol NAME
183 --disable-protocol=NAME disable protocol NAME
184 --disable-protocols disable all protocols
185 --enable-indev=NAME enable input device NAME
186 --disable-indev=NAME disable input device NAME
187 --disable-indevs disable input devices
188 --enable-outdev=NAME enable output device NAME
189 --disable-outdev=NAME disable output device NAME
190 --disable-outdevs disable output devices
191 --disable-devices disable all devices
192 --enable-filter=NAME enable filter NAME
193 --disable-filter=NAME disable filter NAME
194 --disable-filters disable all filters
196 External library support:
197 --enable-avisynth enable reading of AviSynth script files [no]
198 --disable-bzlib disable bzlib [autodetect]
199 --enable-chromaprint enable audio fingerprinting with chromaprint [no]
200 --enable-fontconfig enable fontconfig, useful for drawtext filter [no]
201 --enable-frei0r enable frei0r video filtering [no]
202 --enable-gcrypt enable gcrypt, needed for rtmp(t)e support
203 if openssl, librtmp or gmp is not used [no]
204 --enable-gmp enable gmp, needed for rtmp(t)e support
205 if openssl or librtmp is not used [no]
206 --enable-gnutls enable gnutls, needed for https support
207 if openssl is not used [no]
208 --disable-iconv disable iconv [autodetect]
209 --enable-ladspa enable LADSPA audio filtering [no]
210 --enable-libaacplus enable AAC+ encoding via libaacplus [no]
211 --enable-libass enable libass subtitles rendering,
212 needed for subtitles and ass filter [no]
213 --enable-libbluray enable BluRay reading using libbluray [no]
214 --enable-libbs2b enable bs2b DSP library [no]
215 --enable-libcaca enable textual display using libcaca [no]
216 --enable-libcelt enable CELT decoding via libcelt [no]
217 --enable-libcdio enable audio CD grabbing with libcdio [no]
218 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
220 --enable-libdcadec enable DCA decoding via libdcadec [no]
221 --enable-libfaac enable AAC encoding via libfaac [no]
222 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
223 --enable-libflite enable flite (voice synthesis) support via libflite [no]
224 --enable-libfreetype enable libfreetype, needed for drawtext filter [no]
225 --enable-libfribidi enable libfribidi, improves drawtext filter [no]
226 --enable-libgme enable Game Music Emu via libgme [no]
227 --enable-libgsm enable GSM de/encoding via libgsm [no]
228 --enable-libiec61883 enable iec61883 via libiec61883 [no]
229 --enable-libilbc enable iLBC de/encoding via libilbc [no]
230 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
231 --enable-libmfx enable HW acceleration through libmfx
232 --enable-libmodplug enable ModPlug via libmodplug [no]
233 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
234 --enable-libnut enable NUT (de)muxing via libnut,
235 native (de)muxer exists [no]
236 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
237 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
238 --enable-libopencv enable video filtering via libopencv [no]
239 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
240 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
241 --enable-libopus enable Opus de/encoding via libopus [no]
242 --enable-libpulse enable Pulseaudio input via libpulse [no]
243 --enable-librubberband enable rubberband needed for rubberband filter [no]
244 --enable-libquvi enable quvi input via libquvi [no]
245 --enable-librtmp enable RTMP[E] support via librtmp [no]
246 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
247 --enable-libshine enable fixed-point MP3 encoding via libshine [no]
248 --enable-libsmbclient enable Samba protocol via libsmbclient [no]
249 --enable-libsnappy enable Snappy compression, needed for hap encoding [no]
250 --enable-libsoxr enable Include libsoxr resampling [no]
251 --enable-libspeex enable Speex de/encoding via libspeex [no]
252 --enable-libssh enable SFTP protocol via libssh [no]
253 --enable-libstagefright-h264 enable H.264 decoding via libstagefright [no]
254 --enable-libtesseract enable Tesseract, needed for ocr filter [no]
255 --enable-libtheora enable Theora encoding via libtheora [no]
256 --enable-libtwolame enable MP2 encoding via libtwolame [no]
257 --enable-libutvideo enable Ut Video encoding and decoding via libutvideo [no]
258 --enable-libv4l2 enable libv4l2/v4l-utils [no]
259 --enable-libvidstab enable video stabilization using vid.stab [no]
260 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
261 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
262 --enable-libvorbis enable Vorbis en/decoding via libvorbis,
263 native implementation exists [no]
264 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
265 --enable-libwavpack enable wavpack encoding via libwavpack [no]
266 --enable-libwebp enable WebP encoding via libwebp [no]
267 --enable-libx264 enable H.264 encoding via x264 [no]
268 --enable-libx265 enable HEVC encoding via x265 [no]
269 --enable-libxavs enable AVS encoding via xavs [no]
270 --enable-libxcb enable X11 grabbing using XCB [autodetect]
271 --enable-libxcb-shm enable X11 grabbing shm communication [autodetect]
272 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [autodetect]
273 --enable-libxcb-shape enable X11 grabbing shape rendering [autodetect]
274 --enable-libxvid enable Xvid encoding via xvidcore,
275 native MPEG-4/Xvid encoder exists [no]
276 --enable-libzimg enable z.lib, needed for zscale filter [no]
277 --enable-libzmq enable message passing via libzmq [no]
278 --enable-libzvbi enable teletext support via libzvbi [no]
279 --disable-lzma disable lzma [autodetect]
280 --enable-decklink enable Blackmagic DeckLink I/O support [no]
281 --enable-mmal enable decoding via MMAL [no]
282 --enable-netcdf enable NetCDF, needed for sofalizer filter [no]
283 --enable-nvenc enable NVIDIA NVENC support [no]
284 --enable-openal enable OpenAL 1.1 capture support [no]
285 --enable-opencl enable OpenCL code
286 --enable-opengl enable OpenGL rendering [no]
287 --enable-openssl enable openssl, needed for https support
288 if gnutls is not used [no]
289 --disable-schannel disable SChannel SSP, needed for TLS support on
290 Windows if openssl and gnutls are not used [autodetect]
291 --disable-sdl disable sdl [autodetect]
292 --disable-securetransport disable Secure Transport, needed for TLS support
293 on OSX if openssl and gnutls are not used [autodetect]
294 --enable-x11grab enable X11 grabbing (legacy) [no]
295 --disable-xlib disable xlib [autodetect]
296 --disable-zlib disable zlib [autodetect]
299 --arch=ARCH select architecture [$arch]
300 --cpu=CPU select the minimum required CPU (affects
301 instruction selection, may crash on older CPUs)
302 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
303 --progs-suffix=SUFFIX program name suffix []
304 --enable-cross-compile assume a cross-compiler is used
305 --sysroot=PATH root of cross-build tree
306 --sysinclude=PATH location of cross-build system headers
307 --target-os=OS compiler targets OS [$target_os]
308 --target-exec=CMD command to run executables on target
309 --target-path=DIR path to view of build directory on target
310 --target-samples=DIR path to samples directory on target
311 --tempprefix=PATH force fixed dir/prefix instead of mktemp for checks
312 --toolchain=NAME set tool defaults according to NAME
313 --nm=NM use nm tool NM [$nm_default]
314 --ar=AR use archive tool AR [$ar_default]
315 --as=AS use assembler AS [$as_default]
316 --windres=WINDRES use windows resource compiler WINDRES [$windres_default]
317 --yasmexe=EXE use yasm-compatible assembler EXE [$yasmexe_default]
318 --cc=CC use C compiler CC [$cc_default]
319 --cxx=CXX use C compiler CXX [$cxx_default]
320 --objcc=OCC use ObjC compiler OCC [$cc_default]
321 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
322 --ld=LD use linker LD [$ld_default]
323 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
324 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
325 --ranlib=RANLIB use ranlib RANLIB [$ranlib_default]
326 --doxygen=DOXYGEN use DOXYGEN to generate API doc [$doxygen_default]
327 --host-cc=HOSTCC use host C compiler HOSTCC
328 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
329 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
330 --host-ld=HOSTLD use host linker HOSTLD
331 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
332 --host-libs=HLIBS use libs HLIBS when linking for host
333 --host-os=OS compiler host OS [$target_os]
334 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
335 --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
336 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
337 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
338 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
339 --extra-ldlibflags=ELDFLAGS add ELDFLAGS to LDLIBFLAGS [$LDLIBFLAGS]
340 --extra-libs=ELIBS add ELIBS [$ELIBS]
341 --extra-version=STRING version string suffix []
342 --optflags=OPTFLAGS override optimization-related compiler flags
343 --build-suffix=SUFFIX library name suffix []
344 --enable-pic build position-independent code
345 --enable-thumb compile for Thumb instruction set
346 --enable-lto use link-time optimization
347 --env="ENV=override" override the environment variables
349 Advanced options (experts only):
350 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
351 --custom-allocator=NAME use a supported custom allocator
352 --disable-symver disable symbol versioning
353 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
354 --disable-safe-bitstream-reader
355 disable buffer boundary checking in bitreaders
356 (faster, but may crash)
357 --enable-memalign-hack emulate memalign, interferes with memory debuggers
358 --sws-max-filter-size=N the max filter size swscale uses [$sws_max_filter_size_default]
360 Optimization options (experts only):
361 --disable-asm disable all assembly optimizations
362 --disable-altivec disable AltiVec optimizations
363 --disable-vsx disable VSX optimizations
364 --disable-power8 disable POWER8 optimizations
365 --disable-amd3dnow disable 3DNow! optimizations
366 --disable-amd3dnowext disable 3DNow! extended optimizations
367 --disable-mmx disable MMX optimizations
368 --disable-mmxext disable MMXEXT optimizations
369 --disable-sse disable SSE optimizations
370 --disable-sse2 disable SSE2 optimizations
371 --disable-sse3 disable SSE3 optimizations
372 --disable-ssse3 disable SSSE3 optimizations
373 --disable-sse4 disable SSE4 optimizations
374 --disable-sse42 disable SSE4.2 optimizations
375 --disable-avx disable AVX optimizations
376 --disable-xop disable XOP optimizations
377 --disable-fma3 disable FMA3 optimizations
378 --disable-fma4 disable FMA4 optimizations
379 --disable-avx2 disable AVX2 optimizations
380 --disable-aesni disable AESNI optimizations
381 --disable-armv5te disable armv5te optimizations
382 --disable-armv6 disable armv6 optimizations
383 --disable-armv6t2 disable armv6t2 optimizations
384 --disable-vfp disable VFP optimizations
385 --disable-neon disable NEON optimizations
386 --disable-inline-asm disable use of inline assembly
387 --disable-yasm disable use of nasm/yasm assembly
388 --disable-mipsdsp disable MIPS DSP ASE R1 optimizations
389 --disable-mipsdspr2 disable MIPS DSP ASE R2 optimizations
390 --disable-msa disable MSA optimizations
391 --disable-mipsfpu disable floating point MIPS optimizations
392 --disable-mmi disable Loongson SIMD optimizations
393 --disable-fast-unaligned consider unaligned accesses slow
395 Developer options (useful when working on FFmpeg itself):
396 --disable-debug disable debugging symbols
397 --enable-debug=LEVEL set the debug level [$debuglevel]
398 --disable-optimizations disable compiler optimizations
399 --enable-extra-warnings enable more compiler warnings
400 --disable-stripping disable stripping of executables and shared libraries
401 --assert-level=level 0(default), 1 or 2, amount of assertion testing,
402 2 causes a slowdown at runtime.
403 --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
404 --valgrind=VALGRIND run "make fate" tests through valgrind to detect memory
405 leaks and errors, using the specified valgrind binary.
406 Cannot be combined with --target-exec
407 --enable-ftrapv Trap arithmetic overflows
408 --samples=PATH location of test samples for FATE, if not set use
409 \$FATE_SAMPLES at make invocation time.
410 --enable-neon-clobber-test check NEON registers for clobbering (should be
411 used only for debugging purposes)
412 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
413 should be used only for debugging purposes)
414 --enable-random randomly enable/disable components
416 --enable-random=LIST randomly enable/disable specific components or
417 --disable-random=LIST component groups. LIST is a comma-separated list
418 of NAME[:PROB] entries where NAME is a component
419 (group) and PROB the probability associated with
421 --random-seed=VALUE seed value for --enable/disable-random
422 --disable-valgrind-backtrace do not print a backtrace under Valgrind
423 (only applies to --disable-optimizations builds)
425 NOTE: Object files are built at the place where configure is launched.
431 if test -t 1 && which tput >/dev/null 2>&1; then
432 ncolors=$(tput colors)
433 if test -n "$ncolors" && test $ncolors -ge 8; then
434 bold_color=$(tput bold)
435 warn_color=$(tput setaf 3)
436 error_color=$(tput setaf 1)
437 reset_color=$(tput sgr0)
439 # 72 used instead of 80 since that's the default of pr
445 echo "$@" >> $logfile
450 pr -n -t $1 >> $logfile
456 WARNINGS="${WARNINGS}WARNING: $*\n"
461 echo "$error_color$bold_color$@$reset_color"
464 If you think configure made a mistake, make sure you are using the latest
465 version from Git. If the latest version fails, report the problem to the
466 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
468 if disabled logging; then
470 Rerun configure with logging enabled (do not use --disable-logging), and
471 include the log this produces with your report.
475 Include the log file "$logfile" produced by configure as this will help
482 # Avoid locale weirdness, besides we really just want to translate ASCII.
484 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
488 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
492 echo "$*" | sed 's/["\\]/\\\0/g'
496 v=$(echo "$1" | sed "s/'/'\\\\''/g")
497 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
502 echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
509 eval "case $v in $pat) echo $v ;; esac"
517 eval "case $v in $pat) ;; *) echo $v ;; esac"
524 for v; do eval $m; done
530 for v; do echo ${v}${suffix}; done
545 eval : \${$var:=$value}
550 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
556 eval $(sanitize_var_name "$var")='$*'
560 eval echo \$$(sanitize_var_name "$1")
565 eval level=\${${pvar}_level:=0}
566 eval ${pvar}_${level}="\$$pvar"
567 eval ${pvar}_level=$(($level+1))
573 eval level=\${${pvar}_level:-0}
574 test $level = 0 && continue
575 eval level=$(($level-1))
576 eval $pvar="\${${pvar}_${level}}"
577 eval ${pvar}_level=$level
578 eval unset ${pvar}_${level}
600 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
606 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
612 enabled $var && continue
613 eval sel="\$${var}_select"
614 eval sgs="\$${var}_suggest"
618 enable_deep_weak $sgs
630 disabled $var && continue
639 test "${1#!}" = "$1" && op='=' || op=!=
640 eval test "x\$${1#!}" $op "xyes"
644 test "${1#!}" = "$1" && op='=' || op=!=
645 eval test "x\$${1#!}" $op "xno"
650 enabled $opt || return 1
656 disabled $opt || return 1
662 enabled $opt && return 0
668 disabled $opt && return 0
675 eval : \${$opt:=\$${opt}_default}
683 [ $var = $value ] && return 0
691 enabled ${cfg}_checking && die "Circular dependency for $cfg."
692 disabled ${cfg}_checking && continue
693 enable ${cfg}_checking
696 eval dep_all="\$${cfg}_deps"
697 eval dep_any="\$${cfg}_deps_any"
698 eval dep_sel="\$${cfg}_select"
699 eval dep_sgs="\$${cfg}_suggest"
700 eval dep_ifa="\$${cfg}_if"
701 eval dep_ifn="\$${cfg}_if_any"
703 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
704 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
705 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
707 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
708 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
709 enabled_all $dep_all || disable $cfg
710 enabled_any $dep_any || disable $cfg
711 disabled_any $dep_sel && disable $cfg
713 if enabled $cfg; then
715 enable_deep_weak $dep_sgs
718 disable ${cfg}_checking
727 for cfg in $allopts; do
728 enabled $cfg || continue
729 eval dep_extralibs="\$${cfg}_extralibs"
730 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
738 map 'eval echo "$v \${$v:-no}"' "$@" |
739 awk "BEGIN { split(\"$files\", files) }
741 c = \"$pfx\" toupper(\$1);
747 if (file ~ /\\.h\$/) {
748 printf(\"#define %s %d\\n\", c, v) >>file;
749 } else if (file ~ /\\.asm\$/) {
750 printf(\"%%define %s %d\\n\", c, v) >>file;
751 } else if (file ~ /\\.mak\$/) {
752 n = -v ? \"\" : \"!\";
753 printf(\"%s%s=yes\\n\", n, c) >>file;
754 } else if (file ~ /\\.texi\$/) {
755 pre = -v ? \"\" : \"@c \";
758 gsub(/_/, \"-\", c2);
759 printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
769 enabled $v && printf "%s\n" ${v%$suf};
776 eval "$var=\"\$$var $*\""
782 eval "$var=\"$* \$$var\""
788 for tok in $(eval echo \$$var); do
789 uniq_list="$(filter_out $tok $uniq_list) $tok"
791 eval "$var=\"${uniq_list}\""
799 append CFLAGS $($cflags_filter "$@")
803 append CXXFLAGS $($cflags_filter "$@")
807 append ASFLAGS $($asflags_filter "$@")
811 append OBJCFLAGS $($objcflags_filter "$@")
815 append LDFLAGS $($ldflags_filter "$@")
819 append LDEXEFLAGS $($ldflags_filter "$@")
823 append LDLIBFLAGS $($ldflags_filter "$@")
827 append ASMSTRIPFLAGS "$@"
831 prepend extralibs $($ldflags_filter "$@")
835 append host_cppflags "$@"
839 append host_cflags $($host_cflags_filter "$@")
843 append host_ldflags $($host_ldflags_filter "$@")
847 append compat_objs $1
849 map 'add_cppflags -D$v' "$@"
854 "$@" >> $logfile 2>&1
859 stat "$1" >> $logfile 2>&1
863 eval printf '%s\\n' $CC_O
867 eval printf '%s\\n' $CC_E
874 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
881 check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
888 check_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
895 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
899 eval printf '%s\\n' $AS_O
906 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
910 log check_inline_asm "$@"
915 check_cc "$@" <<EOF && enable $name
916 void foo(void){ __asm__ volatile($code); }
922 check_inline_asm ${1}_inline "\"$2\""
923 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
931 check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
935 eval printf '%s\\n' $LD_O
942 flags=$(filter_out '-l*|*.so' $@)
943 libs=$(filter '-l*|*.so' $@)
944 check_$type $($cflags_filter $flags) || return
945 flags=$($ldflags_filter $flags)
946 libs=$($ldflags_filter $libs)
947 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
952 test "${hdr%.h}" = "${hdr}" &&
953 echo "#include $hdr" ||
954 echo "#include <$hdr>"
964 for hdr in $headers; do
967 echo "int main(void) { $code; return 0; }"
968 } | check_$check "$@"
972 log check_cppflags "$@"
973 check_cc "$@" <<EOF && append CPPFLAGS "$@"
980 set -- $($cflags_filter "$@")
987 log check_cflags "$@"
988 test_cflags "$@" && add_cflags "$@"
992 log check_cxxflags "$@"
993 set -- $($cflags_filter "$@")
994 check_cxx "$@" <<EOF && append CXXFLAGS "$@"
1000 log test_cflags "$@"
1001 set -- $($cflags_filter "$@")
1002 check_objcc "$@" <<EOF
1008 log check_cflags "$@"
1009 test_objcflags "$@" && add_objcflags "$@"
1013 log test_ldflags "$@"
1014 check_ld "cc" "$@" <<EOF
1015 int main(void){ return 0; }
1020 log check_ldflags "$@"
1021 test_ldflags "$@" && add_ldflags "$@"
1025 log test_stripflags "$@"
1026 # call check_cc to get a fresh TMPO
1028 int main(void) { return 0; }
1030 check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1034 log check_stripflags "$@"
1035 test_stripflags "$@" && add_stripflags "$@"
1039 log check_header "$@"
1042 disable_safe $header
1043 check_cpp "$@" <<EOF && enable_safe $header
1049 check_header_objcc(){
1050 log check_header_objcc "$@"
1054 disable_safe $header
1056 echo "#include <$header>"
1057 echo "int main(void) { return 0; }"
1058 } | check_objcc && check_stat "$TMPO" && enable_safe $headers
1066 check_ld "cc" "$@" <<EOF && enable $func
1068 int main(void){ $func(); }
1072 check_complexfunc(){
1073 log check_complexfunc "$@"
1077 test $narg = 2 && args="f, g" || args="f * I"
1079 check_ld "cc" "$@" <<EOF && enable $func
1080 #include <complex.h>
1082 float foo(complex float f, complex float g) { return $func($args); }
1083 int main(void){ return (int) foo; }
1088 log check_mathfunc "$@"
1092 test $narg = 2 && args="f, g" || args="f"
1094 check_ld "cc" "$@" <<EOF && enable $func
1096 float foo(float f, float g) { return $func($args); }
1097 int main(void){ return (int) foo; }
1101 check_func_headers(){
1102 log check_func_headers "$@"
1107 for hdr in $headers; do
1110 for func in $funcs; do
1111 echo "long check_$func(void) { return (long) $func; }"
1113 echo "int main(void) { return 0; }"
1114 } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1117 check_class_headers_cpp(){
1118 log check_class_headers_cpp "$@"
1123 for hdr in $headers; do
1124 echo "#include <$hdr>"
1126 echo "int main(void) { "
1128 for class in $classes; do
1129 echo "$class obj$i;"
1133 } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1136 check_cpp_condition(){
1137 log check_cpp_condition "$@"
1141 check_cpp "$@" <<EOF
1144 #error "unsatisfied condition: $condition"
1154 check_header $header && check_func $func "$@" && add_extralibs "$@"
1162 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1166 log check_lib_cpp "$@"
1170 check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1174 log check_pkg_config "$@"
1180 check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1181 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1182 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1183 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1184 set_safe "${pkg}_cflags" $pkg_cflags &&
1185 set_safe "${pkg}_libs" $pkg_libs
1189 check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1195 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1196 # are safe but may not be available everywhere. Thus we use
1197 # raise(SIGTERM) instead. The check is run in a subshell so we
1198 # can redirect the "Terminated" message from the shell. SIGBUS
1199 # is not defined by standard C so it is used conditionally.
1201 (check_exec "$@") >> $logfile 2>&1 <<EOF
1203 static void sighandler(int sig){
1209 int (*func_ptr)(void) = foo;
1211 signal(SIGILL, sighandler);
1212 signal(SIGFPE, sighandler);
1213 signal(SIGSEGV, sighandler);
1215 signal(SIGBUS, sighandler);
1227 disable_safe "$type"
1228 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1232 log check_struct "$@"
1237 disable_safe "${struct}_${member}"
1238 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1239 enable_safe "${struct}_${member}"
1243 log check_builtin "$@"
1249 check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1252 check_compile_assert(){
1253 log check_compile_assert "$@"
1259 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1267 check_lib $header $func "$@" || die "ERROR: $name not found"
1275 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1283 check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1288 check_pkg_config "$@" || return 1
1289 add_cflags $(get_safe "${pkg}_cflags")
1290 add_extralibs $(get_safe "${pkg}_libs")
1293 require_pkg_config(){
1294 use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1297 require_libfreetype(){
1298 log require_libfreetype "$@"
1300 check_cmd $pkg_config --exists --print-errors $pkg \
1301 || die "ERROR: $pkg not found"
1302 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1303 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1305 echo "#include <ft2build.h>"
1306 echo "#include FT_FREETYPE_H"
1307 echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1308 echo "int main(void) { return 0; }"
1309 } | check_ld "cc" $pkg_cflags $pkg_libs \
1310 && set_safe "${pkg}_cflags" $pkg_cflags \
1311 && set_safe "${pkg}_libs" $pkg_libs \
1312 || die "ERROR: $pkg not found"
1313 add_cflags $(get_safe "${pkg}_cflags")
1314 add_extralibs $(get_safe "${pkg}_libs")
1318 eval printf '%s\\n' $HOSTCC_E
1322 eval printf '%s\\n' $HOSTCC_O
1326 log check_host_cc "$@"
1329 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1333 log check_host_cpp "$@"
1336 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1339 check_host_cppflags(){
1340 log check_host_cppflags "$@"
1341 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1346 check_host_cflags(){
1347 log check_host_cflags "$@"
1348 set -- $($host_cflags_filter "$@")
1349 check_host_cc "$@" <<EOF && append host_cflags "$@"
1354 check_host_cpp_condition(){
1355 log check_host_cpp_condition "$@"
1359 check_host_cpp "$@" <<EOF
1362 #error "unsatisfied condition: $condition"
1368 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1369 mkdir -p "$(dirname $2)"
1373 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1374 # system-dependent things.
1376 AVCODEC_COMPONENTS="
1384 AVDEVICE_COMPONENTS="
1388 AVFILTER_COMPONENTS="
1391 AVFORMAT_COMPONENTS="
1397 AVRESAMPLE_COMPONENTS=""
1398 AVUTIL_COMPONENTS=""
1402 $AVDEVICE_COMPONENTS
1403 $AVFILTER_COMPONENTS
1404 $AVFORMAT_COMPONENTS
1405 $AVRESAMPLE_COMPONENTS
1410 avio_reading_example
1411 avio_dir_cmd_example
1412 decoding_encoding_example
1413 demuxing_decoding_example
1415 filter_audio_example
1416 filtering_audio_example
1417 filtering_video_example
1422 resampling_audio_example
1423 scaling_video_example
1424 transcode_aac_example
1428 EXTERNAL_LIBRARY_LIST="
1534 safe_bitstream_reader
1595 $EXTERNAL_LIBRARY_LIST
1603 incompatible_libav_abi
1665 ARCH_EXT_LIST_MIPS="
1675 ARCH_EXT_LIST_LOONGSON="
1681 ARCH_EXT_LIST_X86_SIMD="
1710 $ARCH_EXT_LIST_X86_SIMD
1720 $ARCH_EXT_LIST_LOONGSON
1736 atomic_compare_exchange
1742 sync_val_compare_and_swap
1753 incompatible_libav_abi
1762 cdio_paranoia_paranoia_h
1763 dev_bktr_ioctl_bt848_h
1764 dev_bktr_ioctl_meteor_h
1766 dev_video_bktr_ioctl_bt848_h
1767 dev_video_meteor_ioctl_meteor_h
1777 machine_ioctl_bt848_h
1778 machine_ioctl_meteor_h
1780 openjpeg_1_5_openjpeg_h
1856 GetProcessAffinityMask
1857 GetProcessMemoryInfo
1860 GetSystemTimeAsFileTime
1867 jack_port_get_latency_range
1883 SetConsoleTextAttribute
1884 SetConsoleCtrlHandler
1892 UTGetOSTypeFromString
1897 TOOLCHAIN_FEATURES="
1910 inline_asm_nonlocal_labels
1911 inline_asm_direct_symbol_refs
1922 CONDITION_VARIABLE_Ptr
1925 struct_group_source_req
1926 struct_ip_mreq_source
1929 struct_rusage_ru_maxrss
1930 struct_sctp_event_subscribe
1932 struct_sockaddr_sa_len
1933 struct_sockaddr_storage
1934 struct_stat_st_mtim_tv_nsec
1935 struct_v4l2_frmivalenum_discrete
1940 $(add_suffix _external $ARCH_EXT_LIST)
1941 $(add_suffix _inline $ARCH_EXT_LIST)
1976 # options emitted with CONFIG_ prefix but not available on the command line
1992 frame_thread_encoder
2134 # code dependency declarations
2136 # architecture extensions
2141 armv8_deps="aarch64"
2142 neon_deps_any="aarch64 arm"
2143 intrinsics_neon_deps="neon"
2144 vfp_deps_any="aarch64 arm"
2148 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2152 mipsdspr2_deps="mips"
2153 mips32r2_deps="mips"
2154 mips64r2_deps="mips"
2155 mips64r6_deps="mips"
2167 x86_64_select="i686"
2168 x86_64_suggest="fast_cmov"
2171 amd3dnowext_deps="amd3dnow"
2188 mmx_external_deps="yasm"
2189 mmx_inline_deps="inline_asm"
2190 mmx_suggest="mmx_external mmx_inline"
2192 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2193 eval dep=\$${ext}_deps
2194 eval ${ext}_external_deps='"${dep}_external"'
2195 eval ${ext}_inline_deps='"${dep}_inline"'
2196 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2199 aligned_stack_if_any="aarch64 ppc x86"
2200 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2201 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2202 fast_unaligned_if_any="aarch64 ppc x86"
2203 simd_align_16_if_any="altivec neon sse"
2205 # system capabilities
2206 symver_if_any="symver_asm_label symver_gnu_asm"
2207 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2210 atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"
2211 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2212 atomics_win32_if="MemoryBarrier"
2213 atomics_native_if_any="$ATOMICS_LIST"
2214 w32threads_deps="atomics_native"
2215 threads_if_any="$THREADS_LIST"
2219 error_resilience_select="me_cmp"
2220 faandct_deps="faan fdctdsp"
2221 faanidct_deps="faan idctdsp"
2222 frame_thread_encoder_deps="encoders threads"
2223 intrax8_select="error_resilience"
2226 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2227 mpeg_er_select="error_resilience"
2228 mpegaudio_select="mpegaudiodsp"
2229 mpegaudiodsp_select="dct"
2230 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2231 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2235 # decoders / encoders
2236 aac_decoder_select="imdct15 mdct sinewin"
2237 aac_fixed_decoder_select="mdct sinewin"
2238 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2239 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2240 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2241 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2242 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2243 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2244 adpcm_g722_decoder_select="g722dsp"
2245 adpcm_g722_encoder_select="g722dsp"
2246 aic_decoder_select="golomb idctdsp"
2247 alac_encoder_select="lpc"
2248 als_decoder_select="bswapdsp"
2249 amrnb_decoder_select="lsp"
2250 amrwb_decoder_select="lsp"
2251 amv_decoder_select="sp5x_decoder exif"
2252 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2253 ape_decoder_select="bswapdsp llauddsp"
2254 apng_decoder_select="zlib"
2255 apng_encoder_select="huffyuvencdsp zlib"
2256 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2257 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2258 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2259 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2260 atrac1_decoder_select="mdct sinewin"
2261 atrac3_decoder_select="mdct"
2262 atrac3p_decoder_select="mdct sinewin"
2263 avrn_decoder_select="exif jpegtables"
2264 bink_decoder_select="blockdsp hpeldsp"
2265 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2266 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2267 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2268 cllc_decoder_select="bswapdsp"
2269 comfortnoise_encoder_select="lpc"
2270 cook_decoder_select="audiodsp mdct sinewin"
2271 cscd_decoder_select="lzo"
2272 cscd_decoder_suggest="zlib"
2273 dca_decoder_select="fmtconvert mdct"
2274 dds_decoder_select="texturedsp"
2275 dirac_decoder_select="dwt golomb videodsp mpegvideoenc"
2276 dnxhd_decoder_select="blockdsp idctdsp"
2277 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2278 dvvideo_decoder_select="dvprofile idctdsp"
2279 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2280 dxa_decoder_select="zlib"
2281 dxv_decoder_select="lzf texturedsp"
2282 eac3_decoder_select="ac3_decoder"
2283 eac3_encoder_select="ac3_encoder"
2284 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2285 eatgq_decoder_select="aandcttables"
2286 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
2287 exr_decoder_select="zlib"
2288 ffv1_decoder_select="golomb rangecoder"
2289 ffv1_encoder_select="rangecoder"
2290 ffvhuff_decoder_select="huffyuv_decoder"
2291 ffvhuff_encoder_select="huffyuv_encoder"
2292 fic_decoder_select="golomb"
2293 flac_decoder_select="flacdsp golomb"
2294 flac_encoder_select="bswapdsp flacdsp golomb lpc"
2295 flashsv_decoder_select="zlib"
2296 flashsv_encoder_select="zlib"
2297 flashsv2_encoder_select="zlib"
2298 flashsv2_decoder_select="zlib"
2299 flv_decoder_select="h263_decoder"
2300 flv_encoder_select="h263_encoder"
2301 fourxm_decoder_select="blockdsp bswapdsp"
2302 fraps_decoder_select="bswapdsp huffman"
2303 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2304 g729_decoder_select="audiodsp"
2305 h261_decoder_select="mpegvideo"
2306 h261_encoder_select="aandcttables mpegvideoenc"
2307 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2308 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2309 h263i_decoder_select="h263_decoder"
2310 h263p_decoder_select="h263_decoder"
2311 h263p_encoder_select="h263_encoder"
2312 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
2313 h264_decoder_suggest="error_resilience"
2314 h264_qsv_decoder_deps="libmfx"
2315 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2316 h264_qsv_encoder_deps="libmfx"
2317 h264_qsv_encoder_select="qsvenc"
2318 hap_decoder_select="snappy texturedsp"
2319 hap_encoder_deps="libsnappy"
2320 hap_encoder_select="texturedspenc"
2321 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2322 hevc_qsv_encoder_deps="libmfx"
2323 hevc_qsv_decoder_deps="libmfx"
2324 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
2325 hevc_qsv_encoder_select="qsvenc"
2326 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2327 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2328 iac_decoder_select="imc_decoder"
2329 imc_decoder_select="bswapdsp fft mdct sinewin"
2330 indeo3_decoder_select="hpeldsp"
2331 indeo4_decoder_select="ividsp"
2332 indeo5_decoder_select="ividsp"
2333 interplay_video_decoder_select="hpeldsp"
2334 jpegls_decoder_select="golomb mjpeg_decoder"
2335 jpegls_encoder_select="golomb"
2336 jv_decoder_select="blockdsp"
2337 lagarith_decoder_select="huffyuvdsp"
2338 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2339 loco_decoder_select="golomb"
2340 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2341 metasound_decoder_select="lsp mdct sinewin"
2342 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2343 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2344 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2345 mjpegb_decoder_select="mjpeg_decoder"
2346 mlp_decoder_select="mlp_parser"
2347 motionpixels_decoder_select="bswapdsp"
2348 mp1_decoder_select="mpegaudio"
2349 mp1float_decoder_select="mpegaudio"
2350 mp2_decoder_select="mpegaudio"
2351 mp2float_decoder_select="mpegaudio"
2352 mp3_decoder_select="mpegaudio"
2353 mp3adu_decoder_select="mpegaudio"
2354 mp3adufloat_decoder_select="mpegaudio"
2355 mp3float_decoder_select="mpegaudio"
2356 mp3on4_decoder_select="mpegaudio"
2357 mp3on4float_decoder_select="mpegaudio"
2358 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2359 mpc8_decoder_select="mpegaudiodsp"
2360 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2361 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2362 mpegvideo_decoder_select="mpegvideo"
2363 mpeg1video_decoder_select="mpegvideo"
2364 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2365 mpeg2video_decoder_select="mpegvideo"
2366 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2367 mpeg2_qsv_decoder_deps="libmfx"
2368 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
2369 mpeg2_qsv_encoder_deps="libmfx"
2370 mpeg2_qsv_encoder_select="qsvenc"
2371 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2372 mpeg4_encoder_select="h263_encoder"
2373 msa1_decoder_select="mss34dsp"
2374 msmpeg4v1_decoder_select="h263_decoder"
2375 msmpeg4v2_decoder_select="h263_decoder"
2376 msmpeg4v2_encoder_select="h263_encoder"
2377 msmpeg4v3_decoder_select="h263_decoder"
2378 msmpeg4v3_encoder_select="h263_encoder"
2379 mss2_decoder_select="vc1_decoder"
2380 mts2_decoder_select="mss34dsp"
2381 mxpeg_decoder_select="mjpeg_decoder"
2382 nellymoser_decoder_select="mdct sinewin"
2383 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2384 nuv_decoder_select="idctdsp lzo"
2385 on2avc_decoder_select="mdct"
2386 opus_decoder_deps="swresample"
2387 opus_decoder_select="imdct15"
2388 png_decoder_select="zlib"
2389 png_encoder_select="huffyuvencdsp zlib"
2390 prores_decoder_select="blockdsp idctdsp"
2391 prores_encoder_select="fdctdsp"
2392 qcelp_decoder_select="lsp"
2393 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2394 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2395 ra_144_decoder_select="audiodsp"
2396 ralf_decoder_select="golomb"
2397 rawvideo_decoder_select="bswapdsp"
2398 rscc_decoder_select="zlib"
2399 rtjpeg_decoder_select="me_cmp"
2400 rv10_decoder_select="h263_decoder"
2401 rv10_encoder_select="h263_encoder"
2402 rv20_decoder_select="h263_decoder"
2403 rv20_encoder_select="h263_encoder"
2404 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2405 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2406 screenpresso_decoder_select="zlib"
2407 shorten_decoder_select="golomb"
2408 sipr_decoder_select="lsp"
2409 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2410 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2411 sonic_decoder_select="golomb rangecoder"
2412 sonic_encoder_select="golomb rangecoder"
2413 sonic_ls_encoder_select="golomb rangecoder"
2414 sp5x_decoder_select="mjpeg_decoder"
2415 svq1_decoder_select="hpeldsp"
2416 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2417 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2418 svq3_decoder_suggest="zlib"
2419 tak_decoder_select="audiodsp"
2420 tdsc_decoder_select="zlib mjpeg_decoder"
2421 theora_decoder_select="vp3_decoder"
2422 thp_decoder_select="mjpeg_decoder"
2423 tiff_decoder_suggest="zlib lzma"
2424 tiff_encoder_suggest="zlib"
2425 truehd_decoder_select="mlp_parser"
2426 truemotion2_decoder_select="bswapdsp"
2427 truespeech_decoder_select="bswapdsp"
2428 tscc_decoder_select="zlib"
2429 twinvq_decoder_select="mdct lsp sinewin"
2430 txd_decoder_select="texturedsp"
2431 utvideo_decoder_select="bswapdsp"
2432 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2433 vble_decoder_select="huffyuvdsp"
2434 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 qpeldsp startcode"
2435 vc1image_decoder_select="vc1_decoder"
2436 vc1_qsv_decoder_deps="libmfx"
2437 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel"
2438 vorbis_decoder_select="mdct"
2439 vorbis_encoder_select="mdct"
2440 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2441 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2442 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2443 vp6a_decoder_select="vp6_decoder"
2444 vp6f_decoder_select="vp6_decoder"
2445 vp7_decoder_select="h264pred videodsp vp8dsp"
2446 vp8_decoder_select="h264pred videodsp vp8dsp"
2447 vp9_decoder_select="videodsp vp9_parser"
2448 webp_decoder_select="vp8_decoder"
2449 wmalossless_decoder_select="llauddsp"
2450 wmapro_decoder_select="mdct sinewin wma_freqs"
2451 wmav1_decoder_select="mdct sinewin wma_freqs"
2452 wmav1_encoder_select="mdct sinewin wma_freqs"
2453 wmav2_decoder_select="mdct sinewin wma_freqs"
2454 wmav2_encoder_select="mdct sinewin wma_freqs"
2455 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2456 wmv1_decoder_select="h263_decoder"
2457 wmv1_encoder_select="h263_encoder"
2458 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2459 wmv2_encoder_select="h263_encoder wmv2dsp"
2460 wmv3_decoder_select="vc1_decoder"
2461 wmv3image_decoder_select="wmv3_decoder"
2462 zerocodec_decoder_select="zlib"
2463 zlib_decoder_select="zlib"
2464 zlib_encoder_select="zlib"
2465 zmbv_decoder_select="zlib"
2466 zmbv_encoder_select="zlib"
2468 # hardware accelerators
2469 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2470 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2471 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2472 vaapi_deps="va_va_h"
2473 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2474 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2475 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2476 videotoolbox_deps="VideoToolbox_VideoToolbox_h pthreads"
2477 videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework QuartzCore -framework CoreVideo"
2478 xvmc_deps="X11_extensions_XvMClib_h"
2480 h263_vaapi_hwaccel_deps="vaapi"
2481 h263_vaapi_hwaccel_select="h263_decoder"
2482 h263_videotoolbox_hwaccel_deps="videotoolbox"
2483 h263_videotoolbox_hwaccel_select="h263_decoder"
2484 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2485 h264_d3d11va_hwaccel_deps="d3d11va"
2486 h264_d3d11va_hwaccel_select="h264_decoder"
2487 h264_dxva2_hwaccel_deps="dxva2"
2488 h264_dxva2_hwaccel_select="h264_decoder"
2489 h264_mmal_decoder_deps="mmal"
2490 h264_mmal_hwaccel_deps="mmal"
2491 h264_mmal_decoder_select="h264_decoder"
2492 h264_mmal_encoder_deps="mmal"
2493 h264_qsv_hwaccel_deps="libmfx"
2494 h264_vaapi_hwaccel_deps="vaapi"
2495 h264_vaapi_hwaccel_select="h264_decoder"
2496 h264_vda_decoder_deps="vda"
2497 h264_vda_decoder_select="h264_decoder"
2498 h264_vda_hwaccel_deps="vda"
2499 h264_vda_hwaccel_select="h264_decoder"
2500 h264_vda_old_hwaccel_deps="vda"
2501 h264_vda_old_hwaccel_select="h264_decoder"
2502 h264_vdpau_decoder_deps="vdpau"
2503 h264_vdpau_decoder_select="h264_decoder"
2504 h264_vdpau_hwaccel_deps="vdpau"
2505 h264_vdpau_hwaccel_select="h264_decoder"
2506 h264_videotoolbox_hwaccel_deps="videotoolbox"
2507 h264_videotoolbox_hwaccel_select="h264_decoder"
2508 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2509 hevc_d3d11va_hwaccel_select="hevc_decoder"
2510 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2511 hevc_dxva2_hwaccel_select="hevc_decoder"
2512 hevc_qsv_hwaccel_deps="libmfx"
2513 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2514 hevc_vaapi_hwaccel_select="hevc_decoder"
2515 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2516 hevc_vdpau_hwaccel_select="hevc_decoder"
2517 mpeg_vdpau_decoder_deps="vdpau"
2518 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2519 mpeg_xvmc_hwaccel_deps="xvmc"
2520 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2521 mpeg1_vdpau_decoder_deps="vdpau"
2522 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2523 mpeg1_vdpau_hwaccel_deps="vdpau"
2524 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2525 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2526 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2527 mpeg1_xvmc_hwaccel_deps="xvmc"
2528 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2529 mpeg2_crystalhd_decoder_select="crystalhd"
2530 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2531 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2532 mpeg2_dxva2_hwaccel_deps="dxva2"
2533 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2534 mpeg2_mmal_decoder_deps="mmal"
2535 mpeg2_mmal_hwaccel_deps="mmal"
2536 mpeg2_mmal_decoder_select="mpeg2video_decoder"
2537 mpeg2_qsv_hwaccel_deps="libmfx"
2538 mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"
2539 mpeg2_vaapi_hwaccel_deps="vaapi"
2540 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2541 mpeg2_vdpau_hwaccel_deps="vdpau"
2542 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2543 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2544 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2545 mpeg2_xvmc_hwaccel_deps="xvmc"
2546 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2547 mpeg4_crystalhd_decoder_select="crystalhd"
2548 mpeg4_vaapi_hwaccel_deps="vaapi"
2549 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2550 mpeg4_vdpau_decoder_deps="vdpau"
2551 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2552 mpeg4_vdpau_hwaccel_deps="vdpau"
2553 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2554 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2555 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2556 msmpeg4_crystalhd_decoder_select="crystalhd"
2557 vc1_crystalhd_decoder_select="crystalhd"
2558 vc1_d3d11va_hwaccel_deps="d3d11va"
2559 vc1_d3d11va_hwaccel_select="vc1_decoder"
2560 vc1_dxva2_hwaccel_deps="dxva2"
2561 vc1_dxva2_hwaccel_select="vc1_decoder"
2562 vc1_vaapi_hwaccel_deps="vaapi"
2563 vc1_vaapi_hwaccel_select="vc1_decoder"
2564 vc1_vdpau_decoder_deps="vdpau"
2565 vc1_vdpau_decoder_select="vc1_decoder"
2566 vc1_vdpau_hwaccel_deps="vdpau"
2567 vc1_vdpau_hwaccel_select="vc1_decoder"
2568 vc1_mmal_decoder_deps="mmal"
2569 vc1_mmal_hwaccel_deps="mmal"
2570 vc1_mmal_decoder_select="vc1_decoder"
2571 vc1_qsv_hwaccel_deps="libmfx"
2572 vc1_qsv_hwaccel_select="qsvdec_vc1"
2573 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2574 vp9_d3d11va_hwaccel_select="vp9_decoder"
2575 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2576 vp9_dxva2_hwaccel_select="vp9_decoder"
2577 wmv3_crystalhd_decoder_select="crystalhd"
2578 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2579 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2580 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2581 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2582 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2585 h264_parser_select="h264_decoder"
2586 hevc_parser_select="golomb"
2587 mpegvideo_parser_select="mpegvideo"
2588 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2589 vc1_parser_select="mpegvideo startcode vc1_decoder"
2592 mjpeg2jpeg_bsf_select="jpegtables"
2594 # external libraries
2595 chromaprint_muxer_deps="chromaprint"
2596 libaacplus_encoder_deps="libaacplus"
2597 libcelt_decoder_deps="libcelt"
2598 libdcadec_decoder_deps="libdcadec"
2599 libfaac_encoder_deps="libfaac"
2600 libfaac_encoder_select="audio_frame_queue"
2601 libfdk_aac_decoder_deps="libfdk_aac"
2602 libfdk_aac_encoder_deps="libfdk_aac"
2603 libfdk_aac_encoder_select="audio_frame_queue"
2604 libgme_demuxer_deps="libgme"
2605 libgsm_decoder_deps="libgsm"
2606 libgsm_encoder_deps="libgsm"
2607 libgsm_ms_decoder_deps="libgsm"
2608 libgsm_ms_encoder_deps="libgsm"
2609 libilbc_decoder_deps="libilbc"
2610 libilbc_encoder_deps="libilbc"
2611 libkvazaar_encoder_deps="libkvazaar"
2612 libmodplug_demuxer_deps="libmodplug"
2613 libmp3lame_encoder_deps="libmp3lame"
2614 libmp3lame_encoder_select="audio_frame_queue"
2615 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2616 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2617 libopencore_amrnb_encoder_select="audio_frame_queue"
2618 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2619 libopenh264_encoder_deps="libopenh264"
2620 libopenjpeg_decoder_deps="libopenjpeg"
2621 libopenjpeg_encoder_deps="libopenjpeg"
2622 libopus_decoder_deps="libopus"
2623 libopus_encoder_deps="libopus"
2624 libopus_encoder_select="audio_frame_queue"
2625 libquvi_demuxer_deps="libquvi"
2626 libschroedinger_decoder_deps="libschroedinger"
2627 libschroedinger_encoder_deps="libschroedinger"
2628 libshine_encoder_deps="libshine"
2629 libshine_encoder_select="audio_frame_queue"
2630 libspeex_decoder_deps="libspeex"
2631 libspeex_encoder_deps="libspeex"
2632 libspeex_encoder_select="audio_frame_queue"
2633 libstagefright_h264_decoder_deps="libstagefright_h264"
2634 libtheora_encoder_deps="libtheora"
2635 libtwolame_encoder_deps="libtwolame"
2636 libvo_aacenc_encoder_deps="libvo_aacenc"
2637 libvo_aacenc_encoder_select="audio_frame_queue"
2638 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2639 libvorbis_decoder_deps="libvorbis"
2640 libvorbis_encoder_deps="libvorbis"
2641 libvorbis_encoder_select="audio_frame_queue"
2642 libvpx_vp8_decoder_deps="libvpx"
2643 libvpx_vp8_encoder_deps="libvpx"
2644 libvpx_vp9_decoder_deps="libvpx"
2645 libvpx_vp9_encoder_deps="libvpx"
2646 libwavpack_encoder_deps="libwavpack"
2647 libwebp_encoder_deps="libwebp"
2648 libwebp_anim_encoder_deps="libwebp"
2649 libx262_encoder_deps="libx262"
2650 libx264_encoder_deps="libx264"
2651 libx264rgb_encoder_deps="libx264"
2652 libx264rgb_encoder_select="libx264_encoder"
2653 libx265_encoder_deps="libx265"
2654 libxavs_encoder_deps="libxavs"
2655 libxvid_encoder_deps="libxvid"
2656 libutvideo_decoder_deps="libutvideo"
2657 libutvideo_encoder_deps="libutvideo"
2658 libzvbi_teletext_decoder_deps="libzvbi"
2659 nvenc_encoder_deps="nvenc"
2660 nvenc_h264_encoder_deps="nvenc"
2661 nvenc_hevc_encoder_deps="nvenc"
2664 ac3_demuxer_select="ac3_parser"
2665 asf_demuxer_select="riffdec"
2666 asf_o_demuxer_select="riffdec"
2667 asf_muxer_select="riffenc"
2668 asf_stream_muxer_select="asf_muxer"
2669 avi_demuxer_select="riffdec exif"
2670 avi_muxer_select="riffenc"
2671 avisynth_demuxer_deps="avisynth"
2672 avisynth_demuxer_select="riffdec"
2673 caf_demuxer_select="riffdec"
2674 dash_muxer_select="mp4_muxer"
2675 dirac_demuxer_select="dirac_parser"
2676 dts_demuxer_select="dca_parser"
2677 dtshd_demuxer_select="dca_parser"
2678 dv_demuxer_select="dvprofile"
2679 dv_muxer_select="dvprofile"
2680 dxa_demuxer_select="riffdec"
2681 eac3_demuxer_select="ac3_parser"
2682 f4v_muxer_select="mov_muxer"
2683 flac_demuxer_select="flac_parser"
2684 hds_muxer_select="flv_muxer"
2685 hls_muxer_select="mpegts_muxer"
2686 image2_alias_pix_demuxer_select="image2_demuxer"
2687 image2_brender_pix_demuxer_select="image2_demuxer"
2688 ipod_muxer_select="mov_muxer"
2689 ismv_muxer_select="mov_muxer"
2690 libnut_demuxer_deps="libnut"
2691 libnut_muxer_deps="libnut"
2692 matroska_audio_muxer_select="matroska_muxer"
2693 matroska_demuxer_select="riffdec"
2694 matroska_demuxer_suggest="bzlib lzo zlib"
2695 matroska_muxer_select="riffenc"
2696 mmf_muxer_select="riffenc"
2697 mov_demuxer_select="riffdec"
2698 mov_demuxer_suggest="zlib"
2699 mov_muxer_select="riffenc rtpenc_chain"
2700 mp3_demuxer_select="mpegaudio_parser"
2701 mp4_muxer_select="mov_muxer"
2702 mpegts_muxer_select="adts_muxer latm_muxer"
2703 mpegtsraw_demuxer_select="mpegts_demuxer"
2704 mxf_d10_muxer_select="mxf_muxer"
2705 mxf_opatom_muxer_select="mxf_muxer"
2706 nut_muxer_select="riffenc"
2707 nuv_demuxer_select="riffdec"
2708 oga_muxer_select="ogg_muxer"
2709 ogg_demuxer_select="golomb"
2710 opus_muxer_select="ogg_muxer"
2711 psp_muxer_select="mov_muxer"
2712 rtp_demuxer_select="sdp_demuxer"
2713 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2714 rtsp_demuxer_select="http_protocol rtpdec"
2715 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2716 sap_demuxer_select="sdp_demuxer"
2717 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2718 sdp_demuxer_select="rtpdec"
2719 smoothstreaming_muxer_select="ismv_muxer"
2720 spdif_muxer_select="aac_parser"
2721 spx_muxer_select="ogg_muxer"
2722 tak_demuxer_select="tak_parser"
2723 tg2_muxer_select="mov_muxer"
2724 tgp_muxer_select="mov_muxer"
2725 vobsub_demuxer_select="mpegps_demuxer"
2726 w64_demuxer_select="wav_demuxer"
2727 w64_muxer_select="wav_muxer"
2728 wav_demuxer_select="riffdec"
2729 wav_muxer_select="riffenc"
2730 webm_muxer_select="riffenc"
2731 wtv_demuxer_select="riffdec"
2732 wtv_muxer_select="riffenc"
2733 xmv_demuxer_select="riffdec"
2734 xwma_demuxer_select="riffdec"
2737 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2738 alsa_outdev_deps="alsa_asoundlib_h"
2739 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2740 avfoundation_indev_select="avfoundation"
2741 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2742 caca_outdev_deps="libcaca"
2743 decklink_outdev_deps="decklink pthreads"
2744 decklink_outdev_extralibs="-lstdc++"
2745 decklink_indev_deps="decklink pthreads"
2746 decklink_indev_extralibs="-lstdc++"
2747 dshow_indev_deps="IBaseFilter"
2748 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
2749 dv1394_indev_deps="dv1394"
2750 dv1394_indev_select="dv_demuxer"
2751 fbdev_indev_deps="linux_fb_h"
2752 fbdev_outdev_deps="linux_fb_h"
2753 gdigrab_indev_deps="CreateDIBSection"
2754 gdigrab_indev_extralibs="-lgdi32"
2755 gdigrab_indev_select="bmp_decoder"
2756 iec61883_indev_deps="libiec61883"
2757 jack_indev_deps="jack_jack_h sem_timedwait"
2758 lavfi_indev_deps="avfilter"
2759 libcdio_indev_deps="libcdio"
2760 libdc1394_indev_deps="libdc1394"
2761 libv4l2_indev_deps="libv4l2"
2762 openal_indev_deps="openal"
2763 opengl_outdev_deps="opengl"
2764 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2765 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2766 pulse_indev_deps="libpulse"
2767 pulse_outdev_deps="libpulse"
2768 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2769 qtkit_indev_select="qtkit"
2770 sdl_outdev_deps="sdl"
2771 sndio_indev_deps="sndio_h"
2772 sndio_outdev_deps="sndio_h"
2773 v4l_indev_deps="linux_videodev_h"
2774 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2775 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2776 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2777 vfwcap_indev_extralibs="-lavicap32"
2778 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2779 xv_outdev_extralibs="-lXv -lX11 -lXext"
2780 x11grab_indev_deps="x11grab"
2781 x11grab_xcb_indev_deps="libxcb"
2784 async_protocol_deps="threads"
2785 bluray_protocol_deps="libbluray"
2786 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2787 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2788 ffrtmpcrypt_protocol_select="tcp_protocol"
2789 ffrtmphttp_protocol_deps="!librtmp_protocol"
2790 ffrtmphttp_protocol_select="http_protocol"
2791 ftp_protocol_select="tcp_protocol"
2792 gopher_protocol_select="network"
2793 http_protocol_select="tcp_protocol"
2794 httpproxy_protocol_select="tcp_protocol"
2795 https_protocol_select="tls_protocol"
2796 icecast_protocol_select="http_protocol"
2797 librtmp_protocol_deps="librtmp"
2798 librtmpe_protocol_deps="librtmp"
2799 librtmps_protocol_deps="librtmp"
2800 librtmpt_protocol_deps="librtmp"
2801 librtmpte_protocol_deps="librtmp"
2802 libsmbclient_protocol_deps="libsmbclient gplv3"
2803 libssh_protocol_deps="libssh"
2804 mmsh_protocol_select="http_protocol"
2805 mmst_protocol_select="network"
2806 rtmp_protocol_deps="!librtmp_protocol"
2807 rtmp_protocol_select="tcp_protocol"
2808 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2809 rtmps_protocol_deps="!librtmp_protocol"
2810 rtmps_protocol_select="tls_protocol"
2811 rtmpt_protocol_select="ffrtmphttp_protocol"
2812 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2813 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2814 rtp_protocol_select="udp_protocol"
2815 sctp_protocol_deps="struct_sctp_event_subscribe"
2816 sctp_protocol_select="network"
2817 srtp_protocol_select="rtp_protocol"
2818 tcp_protocol_select="network"
2819 tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"
2820 tls_gnutls_protocol_select="tcp_protocol"
2821 tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"
2822 tls_openssl_protocol_select="tcp_protocol"
2823 tls_schannel_protocol_deps="schannel"
2824 tls_schannel_protocol_select="tcp_protocol"
2825 tls_securetransport_protocol_deps="securetransport"
2826 tls_securetransport_protocol_select="tcp_protocol"
2827 tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
2828 udp_protocol_select="network"
2829 udplite_protocol_select="network"
2830 unix_protocol_deps="sys_un_h"
2831 unix_protocol_select="network"
2834 aemphasis_filter_deps="cabs cexp"
2835 amovie_filter_deps="avcodec avformat"
2836 aresample_filter_deps="swresample"
2837 ass_filter_deps="libass"
2838 asyncts_filter_deps="avresample"
2839 atempo_filter_deps="avcodec"
2840 atempo_filter_select="rdft"
2841 azmq_filter_deps="libzmq"
2842 blackframe_filter_deps="gpl"
2843 boxblur_filter_deps="gpl"
2844 bs2b_filter_deps="libbs2b"
2845 colormatrix_filter_deps="gpl"
2846 cover_rect_filter_deps="avcodec avformat gpl"
2847 cropdetect_filter_deps="gpl"
2848 delogo_filter_deps="gpl"
2849 deshake_filter_select="pixelutils"
2850 drawtext_filter_deps="libfreetype"
2851 dynaudnorm_filter_deps="copysign erf"
2852 ebur128_filter_deps="gpl"
2853 eq_filter_deps="gpl"
2854 fftfilt_filter_deps="avcodec"
2855 fftfilt_filter_select="rdft"
2856 flite_filter_deps="libflite"
2857 find_rect_filter_deps="avcodec avformat gpl"
2858 frei0r_filter_deps="frei0r dlopen"
2859 frei0r_src_filter_deps="frei0r dlopen"
2860 fspp_filter_deps="gpl"
2861 geq_filter_deps="gpl"
2862 histeq_filter_deps="gpl"
2863 hqdn3d_filter_deps="gpl"
2864 interlace_filter_deps="gpl"
2865 kerndeint_filter_deps="gpl"
2866 ladspa_filter_deps="ladspa dlopen"
2867 mcdeint_filter_deps="avcodec gpl"
2868 movie_filter_deps="avcodec avformat"
2869 mpdecimate_filter_deps="gpl"
2870 mpdecimate_filter_select="pixelutils"
2871 mptestsrc_filter_deps="gpl"
2872 negate_filter_deps="lut_filter"
2873 perspective_filter_deps="gpl"
2874 pp7_filter_deps="gpl"
2875 ocr_filter_deps="libtesseract"
2876 ocv_filter_deps="libopencv"
2877 owdenoise_filter_deps="gpl"
2878 pan_filter_deps="swresample"
2879 phase_filter_deps="gpl"
2880 pp_filter_deps="gpl postproc"
2881 pullup_filter_deps="gpl"
2882 removelogo_filter_deps="avcodec avformat swscale"
2883 repeatfields_filter_deps="gpl"
2884 resample_filter_deps="avresample"
2885 rubberband_filter_deps="librubberband"
2886 sab_filter_deps="gpl swscale"
2887 scale_filter_deps="swscale"
2888 scale2ref_filter_deps="swscale"
2889 select_filter_select="pixelutils"
2890 smartblur_filter_deps="gpl swscale"
2891 showcqt_filter_deps="avcodec avformat swscale"
2892 showcqt_filter_select="fft"
2893 showfreqs_filter_deps="avcodec"
2894 showfreqs_filter_select="fft"
2895 showspectrum_filter_deps="avcodec"
2896 showspectrum_filter_select="rdft"
2897 sofalizer_filter_deps="netcdf avcodec"
2898 sofalizer_filter_select="fft"
2899 spp_filter_deps="gpl avcodec"
2900 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
2901 stereo3d_filter_deps="gpl"
2902 subtitles_filter_deps="avformat avcodec libass"
2903 super2xsai_filter_deps="gpl"
2904 tinterlace_filter_deps="gpl"
2905 vidstabdetect_filter_deps="libvidstab"
2906 vidstabtransform_filter_deps="libvidstab"
2907 pixfmts_super2xsai_test_deps="super2xsai_filter"
2908 tinterlace_merge_test_deps="tinterlace_filter"
2909 tinterlace_pad_test_deps="tinterlace_filter"
2910 uspp_filter_deps="gpl avcodec"
2911 zmq_filter_deps="libzmq"
2912 zoompan_filter_deps="swscale"
2913 zscale_filter_deps="libzimg"
2916 avio_reading="avformat avcodec avutil"
2917 avio_dir_cmd="avformat avutil"
2918 avcodec_example_deps="avcodec avutil"
2919 decoding_encoding_example_deps="avcodec avformat avutil"
2920 demuxing_decoding_example_deps="avcodec avformat avutil"
2921 extract_mvs_example_deps="avcodec avformat avutil"
2922 filter_audio_example_deps="avfilter avutil"
2923 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2924 filtering_video_example_deps="avfilter avcodec avformat avutil"
2925 metadata_example_deps="avformat avutil"
2926 muxing_example_deps="avcodec avformat avutil swscale"
2927 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2928 remuxing_example_deps="avcodec avformat avutil"
2929 resampling_audio_example_deps="avutil swresample"
2930 scaling_video_example_deps="avutil swscale"
2931 transcode_aac_example_deps="avcodec avformat swresample"
2932 transcoding_example_deps="avfilter avcodec avformat avutil"
2934 # libraries, in linking order
2935 avcodec_deps="avutil"
2936 avdevice_deps="avformat avcodec avutil"
2937 avfilter_deps="avutil"
2938 avformat_deps="avcodec avutil"
2939 avresample_deps="avutil"
2940 postproc_deps="avutil gpl"
2941 swresample_deps="avutil"
2942 swscale_deps="avutil"
2945 ffmpeg_deps="avcodec avfilter avformat swresample"
2946 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2948 setpts_filter trim_filter"
2949 ffplay_deps="avcodec avformat swscale swresample sdl"
2950 ffplay_libs='$sdl_libs'
2951 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
2952 ffprobe_deps="avcodec avformat"
2953 ffserver_deps="avformat fork sarestart"
2954 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2957 podpages_deps="perl"
2958 manpages_deps="perl pod2man"
2959 htmlpages_deps="perl"
2960 htmlpages_deps_any="makeinfo_html texi2html"
2961 txtpages_deps="perl makeinfo"
2962 doc_deps_any="manpages htmlpages podpages txtpages"
2964 # default parameters
2966 logfile="config.log"
2968 # installation paths
2969 prefix_default="/usr/local"
2970 bindir_default='${prefix}/bin'
2971 datadir_default='${prefix}/share/ffmpeg'
2972 docdir_default='${prefix}/share/doc/ffmpeg'
2973 incdir_default='${prefix}/include'
2974 libdir_default='${prefix}/lib'
2975 mandir_default='${prefix}/share/man'
2981 host_cc_default="gcc"
2983 doxygen_default="doxygen"
2988 pkg_config_default=pkg-config
2989 ranlib_default="ranlib"
2990 strip_default="strip"
2991 yasmexe_default="yasm"
2992 windres_default="windres"
2995 target_os_default=$(tolower $(uname -s))
2996 host_os=$target_os_default
2999 if test "$target_os_default" = aix; then
3000 arch_default=$(uname -p)
3001 strip_default="strip -X32_64"
3003 arch_default=$(uname -m)
3008 # configurable options
3009 enable $PROGRAM_LIST
3010 enable $DOCUMENT_LIST
3011 enable $EXAMPLE_LIST
3012 enable $(filter_out avresample $LIBRARY_LIST)
3018 enable faan faandct faanidct
3019 enable optimizations
3020 enable runtime_cpudetect
3021 enable safe_bitstream_reader
3023 enable swscale_alpha
3024 enable valgrind_backtrace
3026 sws_max_filter_size_default=256
3027 set_default sws_max_filter_size
3029 # Enable hwaccels by default.
3030 enable d3d11va dxva2 vaapi vda vdpau videotoolbox xvmc
3034 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3037 FULLNAME='$(NAME)$(BUILDSUF)'
3038 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3041 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3042 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3043 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3044 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3045 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3046 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3071 host_cflags_filter=echo
3072 host_ldflags_filter=echo
3074 target_path='$(CURDIR)'
3076 # since the object filename is not given with the -MM flag, the compiler
3077 # is only able to print the basename, and we must add the path ourselves
3078 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3082 if test -f configure; then
3085 source_path=$(cd $(dirname "$0"); pwd)
3086 case "$source_path" in
3087 *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3089 test -e "$source_path/config.h" &&
3090 die "Out of tree builds are impossible with config.h in source dir."
3097 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3103 file=$source_path/$3
3104 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3107 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
3108 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
3109 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
3110 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
3111 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
3112 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
3113 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
3114 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
3115 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
3116 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
3117 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
3133 for n in $COMPONENT_LIST; do
3134 v=$(toupper ${n%s})_LIST
3136 eval ${n}_if_any="\$$v"
3139 enable $ARCH_EXT_LIST
3142 echo "Unknown option \"$1\"."
3143 echo "See $0 --help for available options."
3147 print_in_columns() {
3148 cols=$(expr $ncols / 24)
3149 cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3155 echo $* | sed s/$suffix//g | print_in_columns
3167 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3168 echo "prob ${prob:-0.5}"
3176 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3177 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3186 --extra-ldexeflags=*)
3187 add_ldexeflags $optval
3189 --extra-ldlibflags=*)
3190 add_ldlibflags $optval
3193 add_extralibs $optval
3196 disable $INDEV_LIST $OUTDEV_LIST
3199 debuglevel="$optval"
3202 disable $PROGRAM_LIST
3204 --disable-everything)
3205 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3208 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3209 disable $LIBRARY_LIST $PROGRAM_LIST doc
3212 --enable-random|--disable-random)
3213 action=${opt%%-random}
3214 do_random ${action#--} $COMPONENT_LIST
3216 --enable-random=*|--disable-random=*)
3217 action=${opt%%-random=*}
3218 do_random ${action#--} $optval
3220 --enable-*=*|--disable-*=*)
3221 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3222 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3223 eval list=\$$(toupper $thing)_LIST
3224 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3225 list=$(filter "$name" $list)
3226 [ "$list" = "" ] && warn "Option $opt did not match anything"
3229 --enable-?*|--disable-?*)
3230 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3231 if is_in $option $COMPONENT_LIST; then
3232 test $action = disable && action=unset
3233 eval $action \$$(toupper ${option%s})_LIST
3234 elif is_in $option $CMDLINE_SELECT; then
3241 NAME="${opt#--list-}"
3242 is_in $NAME $COMPONENT_LIST || die_unknown $opt
3244 eval show_list $NAME \$$(toupper $NAME)_LIST
3246 --help|-h) show_help
3248 --fatal-warnings) enable fatal_warnings
3251 optname="${opt%%=*}"
3252 optname="${optname#--}"
3253 optname=$(echo "$optname" | sed 's/-/_/g')
3254 if is_in $optname $CMDLINE_SET; then
3255 eval $optname='$optval'
3256 elif is_in $optname $CMDLINE_APPEND; then
3257 append $optname "$optval"
3269 disabled logging && logfile=/dev/null
3271 # Disable all the library-specific components if the library itself
3272 # is disabled, see AVCODEC_LIST and following _LIST variables.
3274 disable_components(){
3275 disabled ${1} && disable $(
3276 eval components="\$$(toupper ${1})_COMPONENTS"
3277 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3281 map 'disable_components $v' $LIBRARY_LIST
3283 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3286 test -n "$valgrind" && toolchain="valgrind-memcheck"
3288 case "$toolchain" in
3291 add_cflags -fsanitize=address
3292 add_ldflags -fsanitize=address
3296 add_cflags -fsanitize=thread -pie
3297 add_ldflags -fsanitize=thread -pie
3301 add_cflags -fsanitize=undefined
3302 add_ldflags -fsanitize=undefined
3306 add_cflags -fsanitize=address
3307 add_ldflags -fsanitize=address
3311 add_cflags -fsanitize=thread -pie -fPIC
3312 add_ldflags -fsanitize=thread -pie -fPIC
3316 add_cflags -fsanitize=undefined
3317 add_ldflags -fsanitize=undefined
3320 target_exec_default=${valgrind:-"valgrind"}
3321 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3324 target_exec_default=${valgrind:-"valgrind"}
3325 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3328 # Check whether the current MSVC version needs the C99 converter.
3329 # From MSVC 2013 (compiler major version 18) onwards, it does actually
3330 # support enough of C99 to build ffmpeg. Default to the new
3331 # behaviour if the regexp was unable to match anything, since this
3332 # successfully parses the version number of existing supported
3333 # versions that require the converter (MSVC 2010 and 2012).
3334 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3335 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3338 cc_default="c99wrap cl"
3340 ld_default="$source_path/compat/windows/mslink"
3341 nm_default="dumpbin -symbols"
3348 target_os_default="win32"
3349 # Use a relative path for TMPDIR. This makes sure all the
3350 # ffconf temp files are written with a relative path, avoiding
3351 # issues with msys/win32 path conversion for MSVC parameters
3352 # such as -Fo<file> or -out:<file>.
3358 nm_default="dumpbin -symbols"
3360 target_os_default="win32"
3364 add_cflags -fprofile-arcs -ftest-coverage
3365 add_ldflags -fprofile-arcs -ftest-coverage
3368 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3369 add_cflags -fno-strict-overflow -fstack-protector-all
3370 add_ldflags -Wl,-z,relro -Wl,-z,now
3373 die "Unknown toolchain $toolchain"
3377 test -n "$cross_prefix" && enable cross_compile
3379 if enabled cross_compile; then
3380 test -n "$arch" && test -n "$target_os" ||
3381 die "Must specify target arch and OS when cross-compiling"
3384 ar_default="${cross_prefix}${ar_default}"
3385 cc_default="${cross_prefix}${cc_default}"
3386 cxx_default="${cross_prefix}${cxx_default}"
3387 nm_default="${cross_prefix}${nm_default}"
3388 pkg_config_default="${cross_prefix}${pkg_config_default}"
3389 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3390 ranlib_default="${cross_prefix}${ranlib_default} -D"
3392 ranlib_default="${cross_prefix}${ranlib_default}"
3394 strip_default="${cross_prefix}${strip_default}"
3395 windres_default="${cross_prefix}${windres_default}"
3397 sysinclude_default="${sysroot}/usr/include"
3399 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3400 target_exec target_os yasmexe
3401 enabled cross_compile || host_cc_default=$cc
3404 pkg_config_fail_message=""
3405 if ! $pkg_config --version >/dev/null 2>&1; then
3406 warn "$pkg_config not found, library detection may fail."
3408 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3409 pkg_config_fail_message="
3410 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3413 if test $doxygen != $doxygen_default && \
3414 ! $doxygen --version >/dev/null 2>&1; then
3415 warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3420 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3424 EXESUF=$(exesuf $target_os)
3425 HOSTEXESUF=$(exesuf $host_os)
3427 # set temporary file name
3428 : ${TMPDIR:=$TEMPDIR}
3432 if [ -n "$tempprefix" ] ; then
3434 echo $tempprefix.${HOSTNAME}.${UID}
3436 elif ! check_cmd mktemp -u XXXXXX; then
3437 # simple replacement for missing mktemp
3438 # NOT SAFE FOR GENERAL USE
3440 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3445 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3446 (set -C; exec > $tmp) 2>/dev/null ||
3447 die "Unable to create temporary file in $TMPDIR."
3448 append TMPFILES $tmp
3452 trap 'rm -f -- $TMPFILES' EXIT
3457 tmpfile TMPE $EXESUF
3469 # make sure we can execute files in $TMPDIR
3470 cat > $TMPSH 2>> $logfile <<EOF
3473 chmod +x $TMPSH >> $logfile 2>&1
3474 if ! $TMPSH >> $logfile 2>&1; then
3476 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
3477 variable to another directory and make sure that it is not mounted noexec.
3479 die "Sanity test failed."
3485 # Filter out MSVC cl.exe options from cflags that shouldn't
3486 # be passed to gas-preprocessor
3496 -std=c99) echo -c99 ;;
3497 -mcpu=*) echo -arch ${flag#*=} ;;
3498 -mieee) echo -ieee ;;
3499 -O*|-fast) echo $flag ;;
3500 -fno-math-errno) echo -assume nomath_errno ;;
3502 -Wall) echo -msg_enable level2 ;;
3503 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
3504 -Wl,*) echo $flag ;;
3514 -Wno-switch) echo -Wno-switch-enum ;;
3515 -Wno-format-zero-length) ;;
3516 -Wdisabled-optimization) ;;
3517 -Wno-pointer-sign) echo -Wno-other ;;
3523 msvc_common_flags(){
3526 # In addition to specifying certain flags under the compiler
3527 # specific filters, they must be specified here as well or else the
3528 # generic catch all at the bottom will print the original flag.
3532 -fomit-frame-pointer) ;;
3536 -fno-signed-zeros) ;;
3540 -lz) echo zlib.lib ;;
3541 -lavifil32) echo vfw32.lib ;;
3542 -lavicap32) echo vfw32.lib user32.lib ;;
3543 -l*) echo ${flag#-l}.lib ;;
3544 -LARGEADDRESSAWARE) echo $flag ;;
3545 -L*) echo -libpath:${flag#-L} ;;
3552 msvc_common_flags "$@"
3555 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
3556 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3557 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3559 -wd4273 -wd4554 -wd4701 ;;
3565 msvc_common_flags "$@"
3568 # Despite what Intel's documentation says -Wall, which is supported
3569 # on Windows, does enable remarks so disable them here.
3570 -Wall) echo $flag -Qdiag-disable:remark ;;
3571 -std=c99) echo -Qstd=c99 ;;
3589 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
3590 -fomit-frame-pointer) echo -Mnoframe ;;
3601 case "${flag#*=}" in
3602 native) echo -xtarget=native ;;
3603 v9|niagara) echo -xarch=sparc ;;
3604 ultrasparc) echo -xarch=sparcvis ;;
3605 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3606 i586|pentium) echo -xchip=pentium ;;
3607 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3608 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3609 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3610 pentium4*) echo -xtarget=pentium4 ;;
3611 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3612 *-sse3) echo -xarch=sse3 ;;
3613 core2) echo -xarch=ssse3 -xchip=core2 ;;
3614 bonnell) echo -xarch=ssse3 ;;
3615 corei7|nehalem) echo -xtarget=nehalem ;;
3616 westmere) echo -xtarget=westmere ;;
3617 silvermont) echo -xarch=sse4_2 ;;
3618 corei7-avx|sandybridge) echo -xtarget=sandybridge ;;
3619 core-avx*|ivybridge|haswell|broadwell)
3621 amdfam10|barcelona) echo -xtarget=barcelona ;;
3622 btver1) echo -xarch=amdsse4a ;;
3623 btver2|bdver*) echo -xarch=avx ;;
3624 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3625 k8|opteron|athlon64|athlon-fx)
3626 echo -xarch=sse2a ;;
3627 athlon*) echo -xarch=pentium_proa ;;
3630 -std=c99) echo -xc99 ;;
3631 -fomit-frame-pointer) echo -xregs=frameptr ;;
3632 -fPIC) echo -KPIC -xcode=pic32 ;;
3633 -W*,*) echo $flag ;;
3634 -f*-*|-W*|-mimpure-text) ;;
3645 case "${flag#*=}" in
3646 armv7-a|cortex-a*) echo -mv=7a8 ;;
3647 armv7-r|cortex-r*) echo -mv=7r4 ;;
3648 armv7-m|cortex-m*) echo -mv=7m3 ;;
3649 armv6*|arm11*) echo -mv=6 ;;
3650 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3652 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3655 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3656 -mfpu=vfp) echo --float_support=vfpv2 ;;
3657 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3658 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3659 -msoft-float) echo --float_support=vfplib ;;
3660 -O[0-3]|-mf=*) echo $flag ;;
3662 -pds=*) echo $flag ;;
3663 -D*|-I*) echo $flag ;;
3664 --gcc|--abi=*) echo $flag ;;
3675 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3676 unset _ld_o _ldflags _ld_lib _ld_path
3677 unset _depflags _DEPCMD _DEPFLAGS
3680 if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3681 true # no-op to avoid reading stdin in following checks
3682 elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3684 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3685 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3686 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3689 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3691 gcc_version=$($_cc --version | head -n1)
3692 gcc_basever=$($_cc -dumpversion)
3693 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3694 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3695 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3696 case $gcc_basever in
3698 *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
3700 if [ "$first" = true ]; then
3701 case $gcc_basever in
3703 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
3708 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3710 _ident=$($_cc --version | head -n1)
3715 _flags_filter=icc_flags
3716 elif $_cc -v 2>&1 | grep -q xlc; then
3718 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3720 _cflags_size='-O5 -qcompact'
3721 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3723 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3725 _cflags_speed='-fast'
3727 _flags_filter=ccc_flags
3728 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3729 test -d "$sysroot" || die "No valid sysroot specified."
3731 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3732 armcc_conf="$PWD/armcc.conf"
3733 $_cc --arm_linux_configure \
3734 --arm_linux_config_file="$armcc_conf" \
3735 --configure_sysroot="$sysroot" \
3736 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3737 die "Error creating armcc configuration file."
3738 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3739 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3740 as_default="${cross_prefix}gcc"
3744 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3746 _ident=$($_cc -version | head -n1 | tr -s ' ')
3747 _flags='--gcc --abi=eabi -me'
3750 _depflags='-ppa -ppd=$(@:.o=.d)'
3751 _cflags_speed='-O3 -mf=5'
3752 _cflags_size='-O3 -mf=2'
3753 _flags_filter=tms470_flags
3754 elif $_cc -v 2>&1 | grep -q clang; then
3756 _ident=$($_cc --version 2>/dev/null | head -n1)
3757 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3760 elif $_cc -V 2>&1 | grep -q Sun; then
3762 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3763 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3764 _DEPFLAGS='-xM1 -xc99'
3767 _cflags_size='-O5 -xspace'
3768 _flags_filter=suncc_flags
3769 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3771 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3772 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3775 _flags_filter='filter_out -Wdisabled-optimization'
3776 elif $_cc -v 2>&1 | grep -q Open64; then
3778 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3779 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3782 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3783 elif $_cc -V 2>&1 | grep -q Portland; then
3785 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3786 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3787 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3788 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3790 _flags_filter=pgi_flags
3791 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3793 _ident=$($_cc | head -n1)
3794 # 4509: "This form of conditional instruction is deprecated"
3795 _flags="-nologo -ignore 4509"
3796 _flags_filter=armasm_flags
3797 elif $_cc 2>&1 | grep -q Intel; then
3799 _ident=$($_cc 2>&1 | head -n1)
3800 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3801 # Not only is O3 broken on 13.x+ but it is slower on all previous
3802 # versions (tested) as well.
3804 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3805 if $_cc 2>&1 | grep -q Linker; then
3812 _flags_filter=icl_flags
3814 _ld_path='-libpath:'
3815 # -Qdiag-error to make icl error when seeing certain unknown arguments
3816 _flags='-nologo -Qdiag-error:4044,10157'
3817 # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3818 # with MSVC which enables it by default.
3819 _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3821 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3823 _ident=$($_cc 2>&1 | head -n1)
3824 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3825 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3828 if $_cc -nologo- 2>&1 | grep -q Linker; then
3835 _flags_filter=msvc_flags
3837 _ld_path='-libpath:'
3839 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'
3841 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3843 _ident=$($_cc --version | head -n1)
3847 _flags_filter=cparser_flags
3850 eval ${pfx}_type=\$_type
3851 eval ${pfx}_ident=\$_ident
3855 eval ${1}_C=\${_cc_c-\${${1}_C}}
3856 eval ${1}_E=\${_cc_e-\${${1}_E}}
3857 eval ${1}_O=\${_cc_o-\${${1}_O}}
3859 if [ -n "$_depflags" ]; then
3860 eval ${1}_DEPFLAGS=\$_depflags
3862 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3863 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3864 eval DEP${1}FLAGS=\$_flags
3868 probe_cc cc "$cc" "true"
3869 cflags_filter=$_flags_filter
3870 cflags_speed=$_cflags_speed
3871 cflags_size=$_cflags_size
3872 cflags_noopt=$_cflags_noopt
3873 add_cflags $_flags $_cflags
3874 cc_ldflags=$_ldflags
3877 probe_cc hostcc "$host_cc"
3878 host_cflags_filter=$_flags_filter
3879 add_host_cflags $_flags $_cflags
3882 test -n "$cc_type" && enable $cc_type ||
3883 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3885 : ${as_default:=$cc}
3886 : ${objcc_default:=$cc}
3887 : ${dep_cc_default:=$cc}
3888 : ${ld_default:=$cc}
3889 : ${host_ld_default:=$host_cc}
3890 set_default ar as objcc dep_cc ld host_ld windres
3893 asflags_filter=$_flags_filter
3894 add_asflags $_flags $_cflags
3897 probe_cc objcc "$objcc"
3898 objcflags_filter=$_flags_filter
3899 add_objcflags $_flags $_cflags
3903 ldflags_filter=$_flags_filter
3904 add_ldflags $_flags $_ldflags
3905 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3907 LD_LIB=${_ld_lib-$LD_LIB}
3908 LD_PATH=${_ld_path-$LD_PATH}
3910 probe_cc hostld "$host_ld"
3911 host_ldflags_filter=$_flags_filter
3912 add_host_ldflags $_flags $_ldflags
3913 HOSTLD_O=${_ld_o-$HOSTLD_O}
3915 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3916 probe_cc depcc "$dep_cc"
3917 CCDEP=${_DEPCMD:-$DEPCMD}
3918 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3922 if $ar 2>&1 | grep -q Microsoft; then
3925 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3928 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3929 arflags='-Xany -r -c'
3931 elif $ar 2>&1 | grep -q "\[D\] "; then
3939 add_cflags $extra_cflags
3940 add_cxxflags $extra_cxxflags
3941 add_objcflags $extra_objcflags
3942 add_asflags $extra_cflags
3944 if test -n "$sysroot"; then
3947 add_cppflags --sysroot="$sysroot"
3948 add_ldflags --sysroot="$sysroot"
3949 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3950 add_cppflags -isysroot "$sysroot"
3951 add_ldflags -isysroot "$sysroot"
3954 add_cppflags -I"$sysinclude"
3955 add_ldflags --sysroot="$sysroot"
3960 if test "$cpu" = host; then
3961 enabled cross_compile &&
3962 die "--cpu=host makes no sense when cross-compiling."
3967 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3969 s/.*$1=\\([^ ]*\\).*/\\1/
3974 cpu=$(check_native -march || check_native -mcpu)
3978 test "${cpu:-host}" = host &&
3979 die "--cpu=host not supported with compiler $cc"
3982 # Deal with common $arch aliases
3996 "Power Macintosh"|ppc*|powerpc*)
4011 i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4016 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4019 # Add processor-specific flags
4020 if enabled aarch64; then
4024 cpuflags="-march=$cpu"
4027 cpuflags="-mcpu=$cpu"
4031 elif enabled alpha; then
4033 cpuflags="-mcpu=$cpu"
4035 elif enabled arm; then
4038 check_cpp_condition stddef.h \
4039 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4044 if check_arm_arch 4; then echo armv4;
4045 elif check_arm_arch 4T; then echo armv4t;
4046 elif check_arm_arch 5; then echo armv5;
4047 elif check_arm_arch 5E; then echo armv5e;
4048 elif check_arm_arch 5T; then echo armv5t;
4049 elif check_arm_arch 5TE; then echo armv5te;
4050 elif check_arm_arch 5TEJ; then echo armv5te;
4051 elif check_arm_arch 6; then echo armv6;
4052 elif check_arm_arch 6J; then echo armv6j;
4053 elif check_arm_arch 6K; then echo armv6k;
4054 elif check_arm_arch 6Z; then echo armv6z;
4055 elif check_arm_arch 6ZK; then echo armv6zk;
4056 elif check_arm_arch 6T2; then echo armv6t2;
4057 elif check_arm_arch 7; then echo armv7;
4058 elif check_arm_arch 7A 7_A; then echo armv7-a;
4059 elif check_arm_arch 7S; then echo armv7-a;
4060 elif check_arm_arch 7R 7_R; then echo armv7-r;
4061 elif check_arm_arch 7M 7_M; then echo armv7-m;
4062 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
4063 elif check_arm_arch 8A 8_A; then echo armv8-a;
4067 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4071 cpuflags="-march=$cpu"
4072 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4075 cpuflags="-mcpu=$cpu"
4077 cortex-a*) subarch=armv7a ;;
4078 cortex-r*) subarch=armv7r ;;
4079 cortex-m*) enable thumb; subarch=armv7m ;;
4080 arm11*) subarch=armv6 ;;
4081 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4082 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
4083 *) subarch=$(probe_arm_arch) ;;
4089 armv5t*) enable fast_clz ;;
4092 disabled fast_unaligned || enable fast_unaligned
4096 elif enabled avr32; then
4101 cpuflags="-mpart=$cpu"
4105 cpuflags="-march=$cpu"
4109 cpuflags="-mcpu=$cpu"
4113 cpuflags="-march=$cpu"
4117 elif enabled bfin; then
4119 cpuflags="-mcpu=$cpu"
4121 elif enabled mips; then
4123 cpuflags="-march=$cpu"
4148 24kef*|34kf*|1004kf*)
4170 check_cflags "-mtune=p5600" &&
4171 check_cflags "-mfp64 -msched-weight -mload-store-pairs -funroll-loops" &&
4172 add_asflags "-mfp64"
4179 check_cflags "-mtune=i6400 -mabi=64" &&
4180 check_cflags "-mfp64 -msched-weight -mload-store-pairs -funroll-loops" &&
4181 check_ldflags "-mabi=64" &&
4182 add_asflags "-mfp64"
4192 enable local_aligned_8 local_aligned_16 local_aligned_32
4193 enable simd_align_16
4197 enable fast_unaligned
4198 disable aligned_stack
4201 cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4204 cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4207 cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4226 elif enabled ppc; then
4230 case $(tolower $cpu) in
4231 601|ppc601|powerpc601)
4232 cpuflags="-mcpu=601"
4235 603*|ppc603*|powerpc603*)
4236 cpuflags="-mcpu=603"
4239 604*|ppc604*|powerpc604*)
4240 cpuflags="-mcpu=604"
4243 g3|75*|ppc75*|powerpc75*)
4244 cpuflags="-mcpu=750"
4247 g4|745*|ppc745*|powerpc745*)
4248 cpuflags="-mcpu=7450"
4251 74*|ppc74*|powerpc74*)
4252 cpuflags="-mcpu=7400"
4255 g5|970|ppc970|powerpc970)
4256 cpuflags="-mcpu=970"
4260 cpuflags="-mcpu=$cpu"
4264 cpuflags="-mcpu=$cpu"
4267 cpuflags="-mcpu=cell"
4272 cpuflags="-mcpu=e500mc"
4276 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4281 cpuflags="-mcpu=8540 -mhard-float"
4287 elif enabled sparc; then
4290 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4291 cpuflags="-mcpu=$cpu"
4293 ultrasparc*|niagara[234])
4294 cpuflags="-mcpu=$cpu"
4298 elif enabled x86; then
4302 cpuflags="-march=$cpu"
4306 # targets that do NOT support nopl and conditional mov (cmov)
4307 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4308 cpuflags="-march=$cpu"
4311 # targets that do support nopl and conditional mov (cmov)
4312 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4313 |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|amdfam10|barcelona|b[dt]ver*)
4314 cpuflags="-march=$cpu"
4318 # targets that do support conditional mov but on which it's slow
4319 pentium4|pentium4m|prescott|nocona)
4320 cpuflags="-march=$cpu"
4328 if [ "$cpu" != generic ]; then
4329 add_cflags $cpuflags
4330 add_asflags $cpuflags
4331 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4334 # compiler sanity check
4336 int main(void){ return 0; }
4338 if test "$?" != 0; then
4339 echo "$cc is unable to create an executable file."
4340 if test -z "$cross_prefix" && ! enabled cross_compile ; then
4341 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4342 echo "Only do this if you know what cross compiling means."
4344 die "C compiler test failed."
4347 add_cppflags -D_ISOC99_SOURCE
4348 add_cxxflags -D__STDC_CONSTANT_MACROS
4349 check_cflags -std=c99
4350 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
4353 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
4357 add_host_cppflags -D_ISOC99_SOURCE
4358 check_host_cflags -std=c99
4359 check_host_cflags -Wall
4360 check_host_cflags -O3
4366 check_code cc "" "int test[2*($expr) - 1]" &&
4367 subarch=$arch64 || subarch=$arch32
4375 check_64bit mips mips64 '_MIPS_SIM > 1'
4379 check_64bit parisc parisc64 'sizeof(void *) > 4'
4383 check_64bit ppc ppc64 'sizeof(void *) > 4'
4387 check_64bit s390 s390x 'sizeof(void *) > 4'
4391 check_64bit sparc sparc64 'sizeof(void *) > 4'
4395 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4396 # Treat x32 as x64 for now. Note it also needs spic=$shared
4397 test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4399 if test "$subarch" = "x86_64"; then
4404 check_cc <<EOF && subarch="ppc64"
4405 int test[(int)sizeof(char*) - 7];
4411 enabled spic && enable_weak pic
4417 add_cppflags '-I\$(SRC_PATH)/compat/aix'
4418 enabled shared && add_ldflags -Wl,-brtl
4422 enable section_data_rel_ro
4423 SLIB_INSTALL_NAME='$(SLIBNAME)'
4425 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
4428 prefix_default="/boot/common"
4429 network_extralibs="-lnetwork"
4433 SHFLAGS='-shared -Wl,-h,$$(@F)'
4434 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4435 network_extralibs="-lsocket -lnsl"
4436 add_cppflags -D__EXTENSIONS__
4437 # When using suncc to build, the Solaris linker will mark
4438 # an executable with each instruction set encountered by
4439 # the Solaris assembler. As our libraries contain their own
4440 # guards for processor-specific code, instead suppress
4441 # generation of the HWCAPS ELF section on Solaris x86 only.
4442 enabled_all suncc x86 &&
4443 echo "hwcap_1 = OVERRIDE;" > mapfile &&
4444 add_ldflags -Wl,-M,mapfile
4445 nm_default='nm -P -g'
4446 SLIB_CREATE_DEF_CMD='$(Q)perl $(SRC_PATH)/compat/solaris/make_sunver.pl $$(filter %.ver,$$^) $(OBJS) | grep -v @ > $(SUBDIR)lib$(NAME).ver-sol2'
4450 oss_indev_extralibs="-lossaudio"
4451 oss_outdev_extralibs="-lossaudio"
4452 enabled gcc || check_ldflags -Wl,-zmuldefs
4457 SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4459 oss_indev_extralibs="-lossaudio"
4460 oss_outdev_extralibs="-lossaudio"
4468 add_extralibs -lpoll -lgnugetopt
4472 enabled ppc && add_asflags -force_cpusubtype_ALL
4473 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4474 enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4476 add_ldflags -Wl,-dynamic,-search_paths_first
4478 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4479 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4481 enabled x86_64 && objformat="macho64"
4482 enabled_any pic shared x86_64 ||
4483 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4486 die "Native MSYS builds are discouraged, please use the MINGW environment.";
4489 if test $target_os = "mingw32ce"; then
4494 decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"
4495 decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"
4497 if enabled x86_64; then
4498 LIBTARGET="i386:x86-64"
4499 elif enabled arm; then
4502 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4503 enabled x86_32 && check_ldflags -Wl,--large-address-aware
4504 shlibdir_default="$bindir_default"
4507 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4508 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4509 dlltool="${cross_prefix}dlltool"
4510 if check_cmd lib.exe -list; then
4511 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4512 if enabled x86_64; then
4515 elif check_cmd $dlltool --version; then
4516 SLIB_EXTRA_CMD=-'sed -e "s/ @[^ ]*//" $$(@:$(SLIBSUF)=.orig.def) > $$(@:$(SLIBSUF)=.def); $(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
4518 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4520 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4521 SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4522 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.orig.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--disable-auto-image-base'
4526 check_ldflags -Wl,--nxcompat,--dynamicbase
4527 # Lets work around some stupidity in binutils.
4528 # ld will strip relocations from executables even though we need them
4529 # for dynamicbase (ASLR). Using -pie does retain the reloc section
4530 # however ld then forgets what the entry point should be (oops) so we
4531 # have to manually (re)set it.
4532 if enabled x86_32; then
4533 add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
4534 elif enabled x86_64; then
4535 add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
4536 check_ldflags -Wl,--high-entropy-va # binutils 2.25
4537 # Set image base >4GB for extra entropy with HEASLR
4538 add_ldexeflags -Wl,--image-base,0x140000000
4539 append SHFLAGS -Wl,--image-base,0x180000000
4544 if enabled shared; then
4545 # Link to the import library instead of the normal static library
4548 # Cannot build both shared and static libs with MSVC or icl.
4551 enabled x86_32 && check_ldflags -LARGEADDRESSAWARE
4552 shlibdir_default="$bindir_default"
4555 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4556 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4557 SLIB_CREATE_DEF_CMD='$(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'
4558 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4560 SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
4561 SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
4562 SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
4569 shlibdir_default="$bindir_default"
4572 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
4573 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
4574 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
4576 SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
4577 SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
4580 enabled shared && ! enabled small && check_cmd $windres --version && enable gnu_windres
4582 *-dos|freedos|opendos)
4583 network_extralibs="-lsocket"
4586 add_cppflags -U__STRICT_ANSI__
4590 enable section_data_rel_ro
4594 ranlib="echo ignoring ranlib"
4600 add_cppflags -D_GNU_SOURCE
4601 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
4602 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
4606 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
4607 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
4608 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
4609 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
4610 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
4611 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
4612 emxexp $(OBJS) >> $(SUBDIR)$(NAME).def'
4613 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
4614 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
4615 SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
4617 enable_weak os2threads
4620 add_cppflags -D_BSD_SOURCE
4625 add_cppflags -D_QNX_SOURCE
4626 network_extralibs="-lsocket"
4631 add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
4632 add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
4633 add_ldflags -Wl,--target1-abs,--no-undefined \
4634 -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
4635 -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
4636 add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
4637 -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
4638 -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
4641 add_cppflags -D_OSF_SOURCE -D_POSIX_PII -D_REENTRANT
4646 add_cppflags -D_C99_SNPRINTF_EXTENSION \
4647 -D_REENTRANT_SOURCE \
4648 -D_RESEARCH_SOURCE \
4651 add_compat strtod.o strtod=avpriv_strtod
4652 network_extralibs='-lbsd'
4653 exeobjs=compat/plan9/main.o
4660 die "Unknown OS '$target_os'."
4664 # determine libc flavour
4669 # uclibc defines __GLIBC__, so it needs to be checked before glibc.
4670 if check_${pfx}cpp_condition features.h "defined __UCLIBC__"; then
4671 eval ${pfx}libc_type=uclibc
4672 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4673 elif check_${pfx}cpp_condition features.h "defined __GLIBC__"; then
4674 eval ${pfx}libc_type=glibc
4675 add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4676 # MinGW headers can be installed on Cygwin, so check for newlib first.
4677 elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
4678 eval ${pfx}libc_type=newlib
4679 add_${pfx}cppflags -U__STRICT_ANSI__
4680 # MinGW64 is backwards compatible with MinGW32, so check for it first.
4681 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then
4682 eval ${pfx}libc_type=mingw64
4683 if check_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then
4684 add_compat msvcrt/snprintf.o
4685 add_cflags "-include $source_path/compat/msvcrt/snprintf.h"
4687 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4688 eval test \$${pfx_no_}cc_type = "gcc" &&
4689 add_${pfx}cppflags -D__printf__=__gnu_printf__
4690 elif check_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION" ||
4691 check_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then
4692 eval ${pfx}libc_type=mingw32
4693 check_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \
4694 (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
4695 die "ERROR: MinGW32 runtime version must be >= 3.15."
4696 add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
4697 eval test \$${pfx_no_}cc_type = "gcc" &&
4698 add_${pfx}cppflags -D__printf__=__gnu_printf__
4699 elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
4700 eval ${pfx}libc_type=msvcrt
4701 if check_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then
4702 if [ "$pfx" = host_ ]; then
4703 add_host_cppflags -Dsnprintf=_snprintf
4705 add_compat strtod.o strtod=avpriv_strtod
4706 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
4707 _snprintf=avpriv_snprintf \
4708 vsnprintf=avpriv_vsnprintf
4711 # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to
4712 # 0x601 by default unless something else is set by the user.
4713 # This can easily lead to us detecting functions only present
4714 # in such new versions and producing binaries requiring windows 7.0.
4715 # Therefore explicitly set the default to XP unless the user has
4716 # set something else on the command line.
4717 # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop
4718 # family. For these cases, configure is free to use any functions
4719 # found in the SDK headers by default. (Alternatively, we could force
4720 # _WIN32_WINNT to 0x0602 in that case.)
4721 check_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||
4722 { check_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0502; }
4723 #ifdef WINAPI_FAMILY
4724 #include <winapifamily.h>
4725 #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
4730 elif check_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then
4731 eval ${pfx}libc_type=klibc
4732 elif check_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then
4733 eval ${pfx}libc_type=bionic
4734 elif check_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then
4735 eval ${pfx}libc_type=solaris
4736 add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
4738 check_${pfx}cc <<EOF
4740 void *v = localtime_r;
4742 test "$?" != 0 && check_${pfx}cc -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 <<EOF && add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
4744 void *v = localtime_r;
4750 test -n "$libc_type" && enable libc_$libc_type
4752 test -n "$host_libc_type" && enable host_libc_$host_libc_type
4756 add_compat strtod.o strtod=avpriv_strtod
4760 # hacks for compiler/libc/os combinations
4762 if enabled_all tms470 libc_glibc; then
4763 CPPFLAGS="-I${source_path}/compat/tms470 ${CPPFLAGS}"
4764 add_cppflags -D__USER_LABEL_PREFIX__=
4765 add_cppflags -D__builtin_memset=memset
4766 add_cppflags -D__gnuc_va_list=va_list -D_VA_LIST_DEFINED
4767 add_cflags -pds=48 # incompatible redefinition of macro
4770 if enabled_all ccc libc_glibc; then
4771 add_ldflags -Wl,-z,now # calls to libots crash without this
4774 check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||
4775 add_cppflags '-I\$(SRC_PATH)/compat/float'
4778 echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
4781 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
4783 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic
4786 : ${shlibdir_default:="$libdir"}
4787 : ${pkgconfigdir_default:="$libdir/pkgconfig"}
4789 set_default $PATHS_LIST
4792 # we need to build at least one lib type
4793 if ! enabled_any static shared; then
4795 At least one library type must be built.
4796 Specify --enable-static to build the static libraries or --enable-shared to
4797 build the shared libraries as well. To only build the shared libraries specify
4798 --disable-static in addition to --enable-shared.
4803 die_license_disabled() {
4804 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
4807 die_license_disabled_gpl() {
4808 enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
4811 die_license_disabled gpl frei0r
4812 die_license_disabled gpl libcdio
4813 die_license_disabled gpl librubberband
4814 die_license_disabled gpl libsmbclient
4815 die_license_disabled gpl libutvideo
4816 die_license_disabled gpl libvidstab
4817 die_license_disabled gpl libx264
4818 die_license_disabled gpl libx265
4819 die_license_disabled gpl libxavs
4820 die_license_disabled gpl libxvid
4821 die_license_disabled gpl libzvbi
4822 die_license_disabled gpl x11grab
4824 die_license_disabled nonfree libaacplus
4825 die_license_disabled nonfree libfaac
4826 die_license_disabled nonfree nvenc
4827 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
4828 enabled gpl && die_license_disabled_gpl nonfree openssl
4830 die_license_disabled version3 gmp
4831 die_license_disabled version3 libopencore_amrnb
4832 die_license_disabled version3 libopencore_amrwb
4833 die_license_disabled version3 libsmbclient
4834 die_license_disabled version3 libvo_aacenc
4835 die_license_disabled version3 libvo_amrwbenc
4837 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
4839 disabled optimizations || check_cflags -fomit-frame-pointer
4842 disabled pic && return
4845 case "$target_os" in
4855 enabled pic && enable_weak_pic
4857 check_cc <<EOF || die "Symbol mangling check failed."
4860 sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
4861 extern_prefix=${sym%%ff_extern*}
4863 check_cc <<EOF && enable_weak inline_asm
4864 void foo(void) { __asm__ volatile ("" ::); }
4868 for restrict_keyword in restrict __restrict__ __restrict; do
4869 check_cc <<EOF && _restrict=$restrict_keyword && break
4870 void foo(char * $restrict_keyword p);
4874 check_cc <<EOF && enable pragma_deprecated
4875 void foo(void) { _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") }
4878 check_cc <<EOF && enable attribute_packed
4879 struct { int x; } __attribute__((packed)) x;
4882 check_cc <<EOF && enable attribute_may_alias